CVE-2026-69820 :: Enginsight Vulnerability Database

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
NIST	Primary	8.2 HIGH	LOCAL	LOW	HIGH	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Awaiting analysis

This vulnerability is currently awaiting analysis.

Base Score

CVSS 3.x

EPSS Score

Percentile: Unknown

Windows Releases

Platform

Version

Windows 10

21H2 (arm64, x64, x86)	KB5122878
22H2 (arm64, x64, x86)	KB5122878

Windows 11

23H2 (arm64, x64)	KB5122880
24H2 (arm64, x64)	KB5124008
25H2 (arm64, x64)	KB5124008
26H1 (arm64, x64)	KB5124012

Common Weakness Enumeration

CWE-122 - Heap-based Buffer Overflow
A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().

Vulnerability Media Exposure

[ENGLISH] Microsoft September 2026 Patch Tuesday fixes 966 flaws, 2 zero-days
Today is Microsoft's September 2026 Patch Tuesday, with security updates released for a record-breaking 966 flaws, including two actively exploited zero-day vulnerabilities. [...]
Published: 2026-09-08T14:18:05-04:00

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69820