Quick answers
- Is CVE-2026-95923 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-95923 being exploited in the wild.
- How severe is CVE-2026-95923?
- High severity, with a CVSS score of 7, published 10 November 2026.
- Which products and versions are affected?
- Microsoft Windows HTTP.sys.
- Is there a fix for CVE-2026-95923?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-95923 attacked?
- It is attacked with local access, in an operating system.
- Am I affected by CVE-2026-95923?
- Check whether you run Microsoft Windows HTTP.sys. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
A heap-based buffer overflow exists in Windows HTTP.sys that can be triggered by an authenticated local attacker. The vulnerability allows stack corruption and arbitrary code execution with elevated privileges. No known public exploits are reported in the wild as of the advisory publication date.
Affected products
- Microsoft Windows HTTP.sys
Timeline
- 2026-11-10: disclosed