Microsoft Windows 11 Version 26H1 vulnerabilities
2,567 known vulnerabilities affecting microsoft/windows_11_version_26h1.
Total CVEs
2,567
CISA KEV
10
actively exploited
Public exploits
6
Exploited in wild
13
Severity breakdown
CRITICAL97HIGH1901MEDIUM564LOW5
Vulnerabilities
Page 104 of 129
CVE-2026-69482P3HIGHCVSS 7.1≥ 10.0.28000.0, < 10.0.28000.29542026-09-08
CVE-2026-69482 [HIGH] CWE-379 CVE-2026-69482: Creation of temporary file in directory with insecure permissions in Windows Error Reporting allows
Creation of temporary file in directory with insecure permissions in Windows Error Reporting allows an authorized attacker to perform tampering locally.
nvd
CVE-2026-55144P3HIGHCVSS 7.1≥ 10.0.28000.0, < 10.0.28000.25252026-07-14
CVE-2026-55144 [HIGH] CWE-325 CVE-2026-55144: Missing cryptographic step in Windows CryptoAPI allows an authorized attacker to perform tampering l
Missing cryptographic step in Windows CryptoAPI allows an authorized attacker to perform tampering locally.
nvd
CVE-2026-83509P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-83509 [HIGH] CWE-426 CVE-2026-83509: Untrusted search path in Windows Setup Files Cleanup allows an authorized attacker to elevate privil
Untrusted search path in Windows Setup Files Cleanup allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-83908P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-83908 [HIGH] CWE-763 CVE-2026-83908: Release of invalid pointer or reference in RPC Runtime allows an authorized attacker to elevate priv
Release of invalid pointer or reference in RPC Runtime allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-88076P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-88076 [HIGH] CWE-476 CVE-2026-88076: Null pointer dereference in Windows Installer allows an authorized attacker to elevate privileges lo
Null pointer dereference in Windows Installer allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-96209P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-96209 [HIGH] CWE-125 CVE-2026-96209: Out-of-bounds read in Windows Network File System allows an authorized attacker to elevate privilege
Out-of-bounds read in Windows Network File System allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-70212P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-70212 [HIGH] CWE-923 CVE-2026-70212: Improper restriction of communication channel to intended endpoints in Windows Security Center allow
Improper restriction of communication channel to intended endpoints in Windows Security Center allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-72947P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.29542026-09-08
CVE-2026-72947 [HIGH] CWE-191 CVE-2026-72947: Integer underflow (wrap or wraparound) in Windows File History Service allows an authorized attacker
Integer underflow (wrap or wraparound) in Windows File History Service allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-69309P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.29542026-09-08
CVE-2026-69309 [HIGH] CWE-415 CVE-2026-69309: Double free in Windows Print Spooler Components allows an authorized attacker to elevate privileges
Double free in Windows Print Spooler Components allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-69578P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.29542026-09-08
CVE-2026-69578 [HIGH] CWE-122 CVE-2026-69578: Numeric truncation error in Windows Kernel allows an authorized attacker to elevate privileges local
Numeric truncation error in Windows Kernel allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-69630P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.29542026-09-08
CVE-2026-69630 [HIGH] CWE-125 CVE-2026-69630: Out-of-bounds read in Windows Win32K allows an authorized attacker to elevate privileges locally.
Out-of-bounds read in Windows Win32K allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-69617P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.29542026-09-08
CVE-2026-69617 [HIGH] CWE-125 CVE-2026-69617: Out-of-bounds read in Windows Resilient File System (ReFS) allows an authorized attacker to elevate
Out-of-bounds read in Windows Resilient File System (ReFS) allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-69501P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.29542026-09-08
CVE-2026-69501 [HIGH] CWE-822 CVE-2026-69501: Untrusted pointer dereference in Windows Secure Kernel Mode allows an authorized attacker to elevate
Untrusted pointer dereference in Windows Secure Kernel Mode allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-96937P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-96937 [HIGH] CWE-416 CVE-2026-96937: Use after free in Microsoft Windows Search Component allows an authorized attacker to elevate privil
Use after free in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-85354P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-85354 [HIGH] CWE-416 CVE-2026-85354: Use after free in Windows Error Reporting allows an authorized attacker to elevate privileges locall
Use after free in Windows Error Reporting allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-26166P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.18362026-04-14
CVE-2026-26166 [HIGH] CWE-415 CVE-2026-26166: Double free in Windows Shell allows an authorized attacker to elevate privileges locally.
Double free in Windows Shell allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-50297P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.25252026-07-14
CVE-2026-50297 [HIGH] CWE-284 CVE-2026-50297: Improper access control in Windows Win32K allows an authorized attacker to elevate privileges locall
Improper access control in Windows Win32K allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-50325P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.25252026-07-14
CVE-2026-50325 [HIGH] CWE-284 CVE-2026-50325: Improper access control in Windows Win32K allows an authorized attacker to elevate privileges locall
Improper access control in Windows Win32K allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-49805P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.25252026-07-14
CVE-2026-49805 [HIGH] CWE-284 CVE-2026-49805: Improper access control in Windows Win32K allows an authorized attacker to elevate privileges locall
Improper access control in Windows Win32K allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-83510P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-83510 [HIGH] CWE-367 CVE-2026-83510: Time-of-check time-of-use (toctou) race condition in Windows Setup Files Cleanup allows an authorize
Time-of-check time-of-use (toctou) race condition in Windows Setup Files Cleanup allows an authorized attacker to elevate privileges locally.
nvd