Security October 2026 CVE-2026-115455
Severity Moderate
CVSS base score 6.5
Impact Not stated
Exploitation detected Unknown: not stated by MSRC
Exploitability Not assessed
Publicly disclosed Unknown: not stated by MSRC
EPSS · 30-day forecast No EPSS score collected
Customer action Required: follow the MSRC remediation guidance More details
CVSS vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H
Public detection template No Nuclei template is listed in the current collected catalog
Component Mariner
Weakness CWE-787: Out-of-bounds Write
Issued by redhat
Last revised 3 Nov 2026 CVSS 3.1 base metrics Red raises the risk · green lowers it
Attack vector NetworkAV:N
Attack complexity HighAC:H
Privileges required NonePR:N
User interaction NoneUI:N
Scope UnchangedS:U
Confidentiality NoneC:N
Integrity LowI:L
Availability HighA:H
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.
Mariner
1 affected product
azl3 gcc 13.2.0-7 on Azure Linux 3.0 Source. This summary comes from MSRC's public CVRF document for October 2026. If the MSRC page is blocked in your browser, the NVD and CVE.org records carry the same identifier. None of this says whether your devices are affected.
Detection template: Unknown: detection-template evidence is incomplete or retained → No Nuclei template listed
6 Nov 2026 · 17:32:22 UTC Detection template: No Nuclei template listed → Unknown: detection-template evidence is incomplete or retained
6 Nov 2026 · 16:31:02 UTC
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6 Nov 2026 · 17:32:22 UTC
Public detection template Unknown: detection-template evidence is incomplete or retained → No Nuclei template listed 6 Nov 2026 · 17:32:22 UTC
Source coverage: public-exploit-code Incomplete → Current 6 Nov 2026 · 17:32:22 UTC
Source coverage: first-epss Incomplete → Current 6 Nov 2026 · 17:32:22 UTC
Source coverage: msrc-cvrf Incomplete → Current 6 Nov 2026 · 16:31:02 UTC
Public detection template No Nuclei template listed → Unknown: detection-template evidence is incomplete or retained 6 Nov 2026 · 16:31:02 UTC
Source coverage: public-exploit-code Current → Incomplete 6 Nov 2026 · 16:31:02 UTC
Source coverage: first-epss Current → Incomplete 6 Nov 2026 · 16:31:02 UTC
Source coverage: msrc-cvrf Current → Incomplete Explore global source statements, affected packages and advisory history for CVE-2026-115455 . The catalog has a separate collection scope from Microsoft release records.
More advisories, affected versions and source history
Related advisories and sources Publishers link these advisories through the identifiers shown below. A shared identifier or date alone does not tell you whether your software is affected or whether the advisories describe the same cause.
CVE-2026-115455 · CVE overview and exploitation status
cve-program · CVE-2026-115455
Related changes Linked by CVE identifier