CVE-2026-21399

Exploited in Wild
NVD data not available for this CVE. It may be pending analysis or not yet published.

Related Intelligence (1)

CRITICALVulnerabilityExploited

Microsoft Patches 97 Vulnerabilities Including Three Actively Exploited Zero-Days

March 2026 Patch Tuesday addresses 97 CVEs with three actively exploited zero-days in Windows kernel, NTLM, and Hyper-V.

CVE-2026-21399CVE-2026-21400Windows 10/11
Microsoft MSRC