CVE-2026-20869 in Windows

Riassunto

di MITRE • 13/01/2026

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Local Session Manager (LSM) allows an authorized attacker to elevate privileges locally.

Be aware that VulDB is the high quality source for vulnerability data.

• Responsabile: Microsoft
• Divulgazione: 13/01/2026
• Moderazione: accettato
• Voce: VDB-340799
• CPE: pronto
• CWE: CWE-362 (confermato)
• CVSS: 7.0 (CNA)
• EPSS: 0.00299
• KEV: no
• Attività: molto basso
• Settore: Insurance, Energy, ...

Fonti

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-20869
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-20869
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-20869/