CVEvulnerability

CVE-2026-85818

9.0 CRITICAL Published 2026-10-13 Modified 2026-10-16 Official page ↗
Status
Analyzed
Published
2026-10-13
Last modified
2026-10-16
Assigner
[email protected]
CVSS 3.1 ([email protected])
9.0 CRITICAL — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Weaknesses
CWE-347

Description

Improper verification of cryptographic signature in Windows Schannel allows an unauthorized attacker to perform spoofing over a network.

Affected configurations

• microsoft windows 11 23h2 (< 10.0.22631.7652) • microsoft windows 11 24h2 (< 10.0.26100.9711) • microsoft windows 11 25h2 (< 10.0.26200.9711) • microsoft windows 11 26h1 (< 10.0.28000.3231) • microsoft windows 11 26h2 (< 10.0.26300.9711) • microsoft windows server 2022 (< 10.0.20348.5761) • microsoft windows server 2025 (< 10.0.26100.33650)

Related

Weakness · CWE (1)

  • CWE-347 Improper Verification of Cryptographic Signature weakness

References