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SigmaWatch

CVE coverage

CVE-2026-77503

CVSS 8.4 no coverage

View on NVD →

Out-of-bounds read in Windows NTFS allows an unauthorized attacker to elevate privileges locally.

Detection rules

No detection found — yet

None of Sigma, Elastic, Splunk ESCU, YARA, Microsoft Sentinel, Snort, or Suricata currently has a rule referencing CVE-2026-77503.