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CVE-2026-96512ImportantLocalRevised 7 Oct

Sudo: sudo: tz environment variable allows bypass of notbefore/notafter time-based authorization

MSRC advisory NVD CVE.org

Assessment

Severity
Important
CVSS base score
7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Impact
Not stated
EPSS, next 30 days
Not scored yet
Public exploit code
No Nuclei template lists it
Exploitability
Not assessed
Publicly disclosed
No
Customer action
Required: apply the update
Component
Mariner
Weakness
CWE-863: Incorrect Authorization
Issued by
redhat
Published
27 Sep 2026 · September 2026
Last revised
7 Oct 2026Information published.
CVSS 3.1 base metricsRed raises the risk · green lowers it
Attack vector
LocalAV:L
Attack complexity
LowAC:L
Privileges required
LowPR:L
User interaction
NoneUI:N
Scope
UnchangedS:U
Confidentiality
HighC:H
Integrity
HighI:H
Availability
HighA:H

Updates that fix it

0 KBs

No KB listed

MSRC lists no downloadable update, which usually means a service-side fix or a release-notes update. Check the MSRC advisory.

Affected products

1 affected product
  • azl3 libical 3.0.10-1 on Azure Linux 3.0

What changed

  1. Public exploit code: Unknown: exploit-code evidence is incomplete or retained → No Nuclei template listed · CISA KEV: Unknown: catalog evidence is incomplete or retained → Not listed in the collected catalog
  2. Public exploit code: No Nuclei template listed → Unknown: exploit-code evidence is incomplete or retained · CISA KEV: Not listed in the collected catalog → Unknown: catalog evidence is incomplete or retained
Page history

Changes are dated when recorded; day views use the last saved version from that UTC day, and citations stay fixed.

Cite this version
Field-level log (14)

Up to 100 recent field edits are shown; older edits may be outside retention.

  1. 23 Oct 2026 · 09:33:49 UTC Public exploit codeUnknown: exploit-code evidence is incomplete or retained → No Nuclei template listed
  2. 23 Oct 2026 · 09:33:49 UTC CISA KEVUnknown: catalog evidence is incomplete or retained → Not listed in the collected catalog
  3. 23 Oct 2026 · 09:33:49 UTC Source coverage: public-exploit-codeIncomplete → Current
  4. 23 Oct 2026 · 09:33:49 UTC Source coverage: first-epssIncomplete → Current
  5. 23 Oct 2026 · 09:33:49 UTC Source coverage: cisa-kevIncomplete → Current
  6. 23 Oct 2026 · 09:33:49 UTC Source coverage: msrc-cvrfIncomplete → Current
  7. 23 Oct 2026 · 08:31:50 UTC Public exploit codeNo Nuclei template listed → Unknown: exploit-code evidence is incomplete or retained
  8. 23 Oct 2026 · 08:31:50 UTC CISA KEVNot listed in the collected catalog → Unknown: catalog evidence is incomplete or retained
  9. 23 Oct 2026 · 08:31:50 UTC Source coverage: public-exploit-codeCurrent → Incomplete
  10. 23 Oct 2026 · 08:31:50 UTC Source coverage: first-epssCurrent → Incomplete
  11. 23 Oct 2026 · 08:31:50 UTC Source coverage: cisa-kevCurrent → Incomplete
  12. 23 Oct 2026 · 08:31:50 UTC Source coverage: msrc-cvrfCurrent → Incomplete
  13. 18 Oct 2026 · 14:54:30 UTC Link: September 2026/security?release=2026-Sep#cves
  14. 14 Oct 2026 · 11:22:42 UTC Source coverage: msrc-cvrfIncomplete → Current

Explore global source statements, affected packages and advisory history for CVE-2026-96512. The catalog has a separate collection scope from Microsoft release records.

cve-program · CVE-2026-96512

Published

sudo

https://access.redhat.com/downloads/content/package-browser/

Original vendor version evidence · not evaluated as a NuGet range
{
                    "vendor": "Red Hat",
                    "product": "Red Hat Enterprise Linux 10",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "sudo",
                    "defaultStatus": "affected",
                    "versions": [
                        {
                            "version": "0:1.9.17-10.p2.el10_2.7",
                            "lessThan": "*",
                            "versionType": "rpm",
                            "status": "unaffected"
                        }
                    ],
                    "cpes": [
                        "cpe:/o:redhat:enterprise_linux:10.2"
                    ]
                }

sudo

https://access.redhat.com/downloads/content/package-browser/

Original vendor version evidence · not evaluated as a NuGet range
{
                    "vendor": "Red Hat",
                    "product": "Red Hat Enterprise Linux 10.0 Extended Update Support",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "sudo",
                    "defaultStatus": "affected",
                    "versions": [
                        {
                            "version": "0:1.9.15-8.p5.el10_0.5",
                            "lessThan": "*",
                            "versionType": "rpm",
                            "status": "unaffected"
                        }
                    ],
                    "cpes": [
                        "cpe:/o:redhat:enterprise_linux_eus:10.0"
                    ]
                }

sudo

https://access.redhat.com/downloads/content/package-browser/

Original vendor version evidence · not evaluated as a NuGet range
{
                    "vendor": "Red Hat",
                    "product": "Red Hat Enterprise Linux 8",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "sudo",
                    "defaultStatus": "affected",
                    "versions": [
                        {
                            "version": "0:1.9.5p2-2.el8_10",
                            "lessThan": "*",
                            "versionType": "rpm",
                            "status": "unaffected"
                        }
                    ],
                    "cpes": [
                        "cpe:/o:redhat:enterprise_linux:8::baseos"
                    ]
                }

sudo

https://access.redhat.com/downloads/content/package-browser/

Original vendor version evidence · not evaluated as a NuGet range
{
                    "vendor": "Red Hat",
                    "product": "Red Hat Enterprise Linux 8.8 Telecommunications Update Service",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "sudo",
                    "defaultStatus": "affected",
                    "versions": [
                        {
                            "version": "0:1.9.5p2-1.el8_8.4",
                            "lessThan": "*",
                            "versionType": "rpm",
                            "status": "unaffected"
                        }
                    ],
                    "cpes": [
                        "cpe:/o:redhat:rhel_e4s:8.8::baseos",
                        "cpe:/o:redhat:rhel_tus:8.8::baseos"
                    ]
                }

sudo

https://access.redhat.com/downloads/content/package-browser/

Original vendor version evidence · not evaluated as a NuGet range
{
                    "vendor": "Red Hat",
                    "product": "Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "sudo",
                    "defaultStatus": "affected",
                    "versions": [
                        {
                            "version": "0:1.9.5p2-1.el8_8.4",
                            "lessThan": "*",
                            "versionType": "rpm",
                            "status": "unaffected"
                        }
                    ],
                    "cpes": [
                        "cpe:/o:redhat:rhel_e4s:8.8::baseos",
                        "cpe:/o:redhat:rhel_tus:8.8::baseos"
                    ]
                }

sudo

https://access.redhat.com/downloads/content/package-browser/

Original vendor version evidence · not evaluated as a NuGet range
{
                    "vendor": "Red Hat",
                    "product": "Red Hat Enterprise Linux 9",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "sudo",
                    "defaultStatus": "affected",
                    "versions": [
                        {
                            "version": "0:1.9.17p2-3.el9_8.3",
                            "lessThan": "*",
                            "versionType": "rpm",
                            "status": "unaffected"
                        }
                    ],
                    "cpes": [
                        "cpe:/a:redhat:enterprise_linux:9::appstream",
                        "cpe:/o:redhat:enterprise_linux:9::baseos"
                    ]
                }

sudo

https://access.redhat.com/downloads/content/package-browser/

Original vendor version evidence · not evaluated as a NuGet range
{
                    "vendor": "Red Hat",
                    "product": "Red Hat Enterprise Linux 9",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "sudo",
                    "defaultStatus": "affected",
                    "versions": [
                        {
                            "version": "0:1.9.17p2-3.el9_8.3",
                            "lessThan": "*",
                            "versionType": "rpm",
                            "status": "unaffected"
                        }
                    ],
                    "cpes": [
                        "cpe:/a:redhat:enterprise_linux:9::appstream",
                        "cpe:/o:redhat:enterprise_linux:9::baseos"
                    ]
                }

sudo

https://access.redhat.com/downloads/content/package-browser/

Original vendor version evidence · not evaluated as a NuGet range
{
                    "vendor": "Red Hat",
                    "product": "Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "sudo",
                    "defaultStatus": "affected",
                    "versions": [
                        {
                            "version": "0:1.9.5p2-9.el9_2.5",
                            "lessThan": "*",
                            "versionType": "rpm",
                            "status": "unaffected"
                        }
                    ],
                    "cpes": [
                        "cpe:/a:redhat:rhel_e4s:9.2::appstream",
                        "cpe:/o:redhat:rhel_e4s:9.2::baseos"
                    ]
                }

sudo

https://access.redhat.com/downloads/content/package-browser/

Original vendor version evidence · not evaluated as a NuGet range
{
                    "vendor": "Red Hat",
                    "product": "Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "sudo",
                    "defaultStatus": "affected",
                    "versions": [
                        {
                            "version": "0:1.9.5p2-10.el9_4.4",
                            "lessThan": "*",
                            "versionType": "rpm",
                            "status": "unaffected"
                        }
                    ],
                    "cpes": [
                        "cpe:/a:redhat:rhel_e4s:9.4::appstream",
                        "cpe:/o:redhat:rhel_e4s:9.4::baseos"
                    ]
                }

sudo

https://access.redhat.com/downloads/content/package-browser/

Original vendor version evidence · not evaluated as a NuGet range
{
                    "vendor": "Red Hat",
                    "product": "Red Hat Enterprise Linux 9.6 Extended Update Support",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "sudo",
                    "defaultStatus": "affected",
                    "versions": [
                        {
                            "version": "0:1.9.5p2-10.el9_6.4",
                            "lessThan": "*",
                            "versionType": "rpm",
                            "status": "unaffected"
                        }
                    ],
                    "cpes": [
                        "cpe:/a:redhat:rhel_eus:9.6::appstream",
                        "cpe:/o:redhat:rhel_eus:9.6::baseos"
                    ]
                }

sudo-main

https://catalog.redhat.com/software/containers/

Original vendor version evidence · not evaluated as a NuGet range
{
                    "vendor": "Red Hat",
                    "product": "Red Hat Hardened Images",
                    "collectionURL": "https://catalog.redhat.com/software/containers/",
                    "packageName": "sudo-main",
                    "defaultStatus": "affected",
                    "versions": [
                        {
                            "version": "1.9.17-16.p2.2.hum1",
                            "lessThan": "*",
                            "versionType": "rpm",
                            "status": "unaffected"
                        }
                    ],
                    "cpes": [
                        "cpe:/a:redhat:hummingbird:1"
                    ]
                }

rhui5/installer-rhel9

https://catalog.redhat.com/software/containers/

Original vendor version evidence · not evaluated as a NuGet range
{
                    "vendor": "Red Hat",
                    "product": "Red Hat Update Infrastructure 5",
                    "collectionURL": "https://catalog.redhat.com/software/containers/",
                    "packageName": "rhui5/installer-rhel9",
                    "defaultStatus": "affected",
                    "versions": [
                        {
                            "version": "1791964013",
                            "lessThan": "*",
                            "versionType": "rpm",
                            "status": "unaffected"
                        }
                    ],
                    "cpes": [
                        "cpe:/a:redhat:rhui:5::el9"
                    ]
                }

rhui5/rhua-rhel9

https://catalog.redhat.com/software/containers/

Original vendor version evidence · not evaluated as a NuGet range
{
                    "vendor": "Red Hat",
                    "product": "Red Hat Update Infrastructure 5",
                    "collectionURL": "https://catalog.redhat.com/software/containers/",
                    "packageName": "rhui5/rhua-rhel9",
                    "defaultStatus": "affected",
                    "versions": [
                        {
                            "version": "1791978693",
                            "lessThan": "*",
                            "versionType": "rpm",
                            "status": "unaffected"
                        }
                    ],
                    "cpes": [
                        "cpe:/a:redhat:rhui:5::el9"
                    ]
                }

sudo

https://access.redhat.com/downloads/content/package-browser/

Original vendor version evidence · not evaluated as a NuGet range
{
                    "vendor": "Red Hat",
                    "product": "Red Hat Enterprise Linux 7",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "sudo",
                    "defaultStatus": "affected",
                    "cpes": [
                        "cpe:/o:redhat:enterprise_linux:7"
                    ]
                }
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