CVE-2026-33842

Microsoft WindowsVulnerabilityCVSS 5.5

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 un déni de service à distance. Microsoft indique que la vulnérabilité CVE-2026-56155 est activement exploitée.

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-2026-33842 Microsoft Windows Vulnerability

Severity metrics

CVSS 3.1 : 5.5 MEDIUM

Attack vectorLocal

Attack complexityLow

Privileges requiredLow

User interactionNone

ScopeUnchanged

Confidentiality impactHigh

Integrity impactNone

Availability impactNone

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

Key points

CVE : CVE-2026-33842, CVE-2026-34328, CVE-2026-34346, CVE-2026-34348...

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 2026-07-15 · updated 2026-07-26 · source: CERT-FR Avis