CVE Catalog

CVE-2026-83722

HighCVSS 7.0
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.20%

9th percentile - higher than 9% of all known CVEs

Summary

A use after free vulnerability in Microsoft Local Security Authority Server (lsasrv) allows an authorized attacker to elevate privileges locally.

Risk Assessment

An attacker with valid credentials could exploit this flaw to gain higher privileges on the system, potentially leading to full host compromise.

Recommendation

Apply Microsoft security updates for LSASS as soon as possible and restrict local access to trusted users.

Related vulnerabilities

Original NVD description (English source)

Use after free in Microsoft Local Security Authority Server (lsasrv) allows an authorized attacker to elevate privileges locally.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS