PatchTheCVECVE-2026-96929: Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
CVE-2026-96929 is a high-severity flaw (CVSS 7.8) affecting windows server 2022, windows server 2025. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
Why this priority
- High severity
- On your watchlist
A fixed release or distro patch exists.
Risk facts
| CVSS score | 7.8 (High) |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 0.5% (top 59%) |
| CISA exploited list | No |
| Weakness | CWE-122 |
| Published | 2026-10-13 |
| Last modified | 2026-10-16 |
Last updated 2026-10-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-96929?
windows server 2022: upgrade to 10.0.20348.5761; windows server 2025: upgrade to 10.0.26100.33650. Exact commands for each OS are on this page.
Is CVE-2026-96929 being exploited?
CVE-2026-96929 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-96929 affect?
CVE-2026-96929 affects windows server 2022, windows server 2025. Severity is high (CVSS 7.8). Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
How urgent is CVE-2026-96929?
Priority 43/100. High severity; On your watchlist
Software pages
Windows vulnerabilities · Windows Server vulnerabilities
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