CVEvulnerability
CVE-2026-72940
8.8 HIGH
Official page ↗
- Status
- Analyzed
- Published
- 2026-09-08
- Last modified
- 2026-09-22
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-122
Description
Heap-based buffer overflow in Windows Schannel allows an unauthorized attacker to execute code over a network.
Affected configurations
• microsoft windows 11 23h2 (< 10.0.22631.7582)
• microsoft windows 11 24h2 (< 10.0.26100.9445)
• microsoft windows 11 25h2 (< 10.0.26200.9445)
• microsoft windows 11 26h1 (< 10.0.28000.2954)
• microsoft windows server 2022 (< 10.0.20348.5622)
• microsoft windows server 2025 (< 10.0.26100.33438)
Related
Weakness · CWE (1)
- CWE-122 Heap-based Buffer Overflow weakness
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-72940 Patch, Vendor Advisory