CVE-2026-56171

Microsoft WindowsVulnerabilityCVSS 7.1

De multiples vulnérabilités ont été découvertes dans Microsoft Windows. Certaines d'entre elles permettent à un attaquant de provoquer une exécution de code arbitraire à distance, une élévation de privilèges et une atteinte à la confidentialité des données.

No public exploitation has been reported so far. No distribution fix is listed yet; apply vendor mitigations and monitor.

Recommended action: Track your distribution's security tracker and apply the fix as soon as it ships.

CVE-2026-56171 Microsoft Windows Vulnerability

Severity metrics

CVSS 3.1 : 7.1 HIGH

Attack vectorNetwork (remote)

Attack complexityLow

Privileges requiredNone

User interactionRequired

ScopeUnchanged

Confidentiality impactHigh

Integrity impactLow

Availability impactNone

Vector: AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N

Key points

CVE : CVE-2026-56171, CVE-2026-58598, CVE-2026-58643, CVE-2026-59117

Affected & fixed versions by distribution

Versions are the native distribution strings (backport-aware): RHEL/Debian/SUSE backport fixes, so compare with the distro version comparator (dpkg / rpm / vercmp), not the upstream version.

No affected package in the tracked watchlist yet (Debian, Ubuntu, Arch, SUSE, Red Hat...). Triage may still be pending.

Sources

Advisory NVD CVE.org

Published 2026-07-17 · updated 2026-07-26 · source: NVD