CVE-2026-88812ImportantLocal

X.Org Server XKB SetGeometry TextDoodad Double Free

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 · 30-day forecast: No EPSS score collected
Public detection template: No Nuclei template is listed in the current collected catalog
Exploitation detected: Unknown: not stated by MSRC
Exploitability: Not assessed
Publicly disclosed: Unknown: not stated by MSRC
Customer action: Required: follow the MSRC remediation guidance
Component: Mariner
Weakness: CWE-415: Double Free
Issued by: suse
Published: 29 Oct 2026 · October 2026
Last revised: 29 Oct 2026

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

No KB update is listed in the collected MSRC record. Check the MSRC advisory for product releases and other remedies.

Affected products

Open Source Software

1 affected product

azl3 wayland 1.22.0-1 on Azure Linux 3.0

What changed

Detection template: No Nuclei template listed · Customer action: Required: apply the update → Required: follow the MSRC remediation guidance · Public disclosure: No → Unknown: not stated by MSRC · Exploitation detected: Not reported by MSRC → Unknown: not stated by MSRC
29 Oct 2026

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 (5)

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

29 Oct 2026 · 20:19:26 UTC Public detection templateNo Nuclei template listed
29 Oct 2026 · 20:19:26 UTC EPSSNot scored → No EPSS score collected
29 Oct 2026 · 20:19:26 UTC Customer actionRequired: apply the update → Required: follow the MSRC remediation guidance
29 Oct 2026 · 20:19:26 UTC Publicly disclosedNo → Unknown: not stated by MSRC
29 Oct 2026 · 20:19:26 UTC Exploitation detectedNot reported by MSRC → Unknown: not stated by MSRC

Explore global source statements, affected packages and advisory history for CVE-2026-88812. The catalog has a separate collection scope from Microsoft release records.

cve-program · CVE-2026-88812

Published

xorg-x11-server

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "X.org",
                    "product": "xorg-x11-server",
                    "packageName": "xorg-x11-server",
                    "repo": "https://gitlab.freedesktop.org/xorg/xserver",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "0",
                            "lessThan": "21.1.25",
                            "versionType": "rpm"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }

xwayland

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "x.org",
                    "product": "xwayland",
                    "packageName": "xwayland",
                    "repo": "https://gitlab.freedesktop.org/xorg/xserver",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "0",
                            "lessThan": "24.1.14",
                            "versionType": "rpm"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }

Original source record · Cite this exact observation · Complete original publisher JSON