CVE-2026-69689
Out-of-bounds read in Windows Win32K allows an authorized attacker to elevate privileges over a network.
Scoring
- Severity
- HIGH
- CVSS base score
- 8
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
- CWE
- CWE-125, CWE-121
- Published
- 2026-09-08
- Last modified
- 2026-09-09
Affected products
- Microsoft Windows 10 Version 1809
- Microsoft Windows 10 Version 21H2
- Microsoft Windows 10 Version 22H2
- Microsoft Windows 11 version 23H2
- Microsoft Windows 11 Version 23H2
- Microsoft Windows 11 Version 24H2
- Microsoft Windows 11 Version 25H2
- Microsoft Windows 11 version 26H1
Weakness type
Related vulnerabilities
- CVE-2026-87875 — Cups: openprinting cups: heap out-of-bounds read in cupsutf32toutf8() via missing source-length bound
- CVE-2026-22590 — Fast-DDS Discovery Server: Out-of-Bounds Read & Heap Memory Disclosure via DATA_FRAG sampleSize / fragmentsInSubmessage
- CVE-2026-87824 — zstd-jni 1.3.3-1 through 1.5.7-13 Out-of-Bounds Read via Zstd.trainFromBufferDirect
- CVE-2026-73324 — VLC media player 3.0.0 through 3.0.23 Heap Out-of-Bounds Read via Unterminated RealRTSP Response Line
- CVE-2026-87795 — zstd-jni 1.2.0 through 1.5.7-13 Out-of-Bounds Read via ZstdDictCompress
- CVE-2026-87736 — An issue was discovered in the mirage-crypto-ec package before 2.3.0 for OCaml. There is an EC...
- CVE-2026-81646 — Out-of-bounds read vulnerability in the graphics module....
- CVE-2026-49314 — OOB write vulnerability in the rendering and composition module....