~/products/microsoft/windows_11_version_26h1

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Microsoft Windows 11 Version 26H1 vulnerabilities

242 known vulnerabilities affecting microsoft/windows_11_version_26h1.

Total CVEs

242

CISA KEV

6

actively exploited

Public exploits

5

Exploited in wild

0

Severity breakdown

CRITICAL2HIGH194MEDIUM45LOW1

Vulnerabilities

Page 13 of 13

CVE-2026-21525MEDIUMCVSS 6.2KEV≥ 10.0.28000.0, < 10.0.28000.15752026-02-10

CVE-2026-21525 [MEDIUM] CWE-476 CVE-2026-21525: Null pointer dereference in Windows Remote Access Connection Manager allows an unauthorized attacker Null pointer dereference in Windows Remote Access Connection Manager allows an unauthorized attacker to deny service locally.

CVE-2026-21249LOWCVSS 3.3≥ 10.0.28000.0, < 10.0.28000.15752026-02-10

CVE-2026-21249 [LOW] CWE-73 CVE-2026-21249: External control of file name or path in Windows NTLM allows an unauthorized attacker to perform spo External control of file name or path in Windows NTLM allows an unauthorized attacker to perform spoofing locally.

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