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Windows LSASS vulnerabilities
4 known CVE vulnerabilities in Windows LSASS, translated and rated.
- CVE-2026-83928High
Out-of-bounds write in Windows Local Security Authority Subsystem Service (LSASS) allows an unauthorized attacker to execute code over a network.
- CVE-2026-83516High
Out-of-bounds read in Windows Local Security Authority Subsystem Service (LSASS) allows an unauthorized attacker to deny service over a network.
- CVE-2026-49799Medium
Uncontrolled resource consumption in Windows LSASS allows an authorized attacker to cause a denial of service over the network.
- CVE-2026-40378High
Memory allocation with excessive size vulnerability in Windows LSASS. An unauthorized attacker can remotely cause a denial of service.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

