Microsoft Windows 11 Version 26H1 vulnerabilities
2,562 known vulnerabilities affecting microsoft/windows_11_version_26h1.
Total CVEs
2,562
CISA KEV
10
actively exploited
Public exploits
6
Exploited in wild
13
Severity breakdown
CRITICAL97HIGH1897MEDIUM563LOW5
Vulnerabilities
Page 119 of 129
CVE-2026-69376P4MEDIUMCVSS 5.5≥ 10.0.28000.0, < 10.0.28000.29542026-09-08
CVE-2026-69376 [MEDIUM] CWE-125 CVE-2026-69376: Out-of-bounds read in Microsoft Standard XPS allows an authorized attacker to disclose information l
Out-of-bounds read in Microsoft Standard XPS allows an authorized attacker to disclose information locally.
nvd
CVE-2026-72937P4MEDIUMCVSS 5.5≥ 10.0.28000.0, < 10.0.28000.29542026-09-08
CVE-2026-72937 [MEDIUM] CWE-125 CVE-2026-72937: Out-of-bounds read in Storage Port Driver allows an authorized attacker to disclose information loca
Out-of-bounds read in Storage Port Driver allows an authorized attacker to disclose information locally.
nvd
CVE-2026-69618P4MEDIUMCVSS 5.5≥ 10.0.28000.0, < 10.0.28000.29542026-09-08
CVE-2026-69618 [MEDIUM] CWE-125 CVE-2026-69618: Out-of-bounds read in Windows SMB Client allows an authorized attacker to disclose information local
Out-of-bounds read in Windows SMB Client allows an authorized attacker to disclose information locally.
nvd
CVE-2026-59136P4MEDIUMCVSS 5.5≥ 10.0.28000.0, < 10.0.28000.27042026-08-11
CVE-2026-59136 [MEDIUM] CWE-908 CVE-2026-59136: Use of uninitialized resource in Microsoft COM for Windows allows an authorized attacker to disclose
Use of uninitialized resource in Microsoft COM for Windows allows an authorized attacker to disclose information locally.
nvd
CVE-2026-62730P4MEDIUMCVSS 5.5≥ 10.0.28000.0, < 10.0.28000.27042026-08-11
CVE-2026-62730 [MEDIUM] CWE-126 CVE-2026-62730: Buffer over-read in Windows Wired AutoConfig Service allows an authorized attacker to disclose infor
Buffer over-read in Windows Wired AutoConfig Service allows an authorized attacker to disclose information locally.
nvd
CVE-2026-62798P4MEDIUMCVSS 5.5≥ 10.0.28000.0, < 10.0.28000.27042026-08-11
CVE-2026-62798 [MEDIUM] CWE-822 CVE-2026-62798: Untrusted pointer dereference in Windows Win32K allows an authorized attacker to disclose informatio
Untrusted pointer dereference in Windows Win32K allows an authorized attacker to disclose information locally.
nvd
CVE-2026-62709P4MEDIUMCVSS 5.5≥ 10.0.28000.0, < 10.0.28000.27042026-08-11
CVE-2026-62709 [MEDIUM] CWE-908 CVE-2026-62709: Use of uninitialized resource in Windows GDI+ allows an authorized attacker to disclose information
Use of uninitialized resource in Windows GDI+ allows an authorized attacker to disclose information locally.
nvd
CVE-2026-61360P4MEDIUMCVSS 5.5≥ 10.0.28000.0, < 10.0.28000.27042026-08-11
CVE-2026-61360 [MEDIUM] CWE-822 CVE-2026-61360: Untrusted pointer dereference in Windows GDI allows an authorized attacker to disclose information l
Untrusted pointer dereference in Windows GDI allows an authorized attacker to disclose information locally.
nvd
CVE-2026-49801P4MEDIUMCVSS 5.5≥ 10.0.28000.0, < 10.0.28000.25252026-07-14
CVE-2026-49801 [MEDIUM] CWE-908 CVE-2026-49801: Use of uninitialized resource in Windows SMB allows an authorized attacker to disclose information l
Use of uninitialized resource in Windows SMB allows an authorized attacker to disclose information locally.
nvd
CVE-2026-50690P4MEDIUMCVSS 5.5≥ 10.0.28000.0, < 10.0.28000.25252026-07-14
CVE-2026-50690 [MEDIUM] CWE-908 CVE-2026-50690: Use of uninitialized resource in Windows SMB allows an authorized attacker to disclose information l
Use of uninitialized resource in Windows SMB allows an authorized attacker to disclose information locally.
nvd
CVE-2026-40422P4MEDIUMCVSS 5.5≥ 10.0.28000.0, < 10.0.28000.25252026-07-14
CVE-2026-40422 [MEDIUM] CWE-908 CVE-2026-40422: Use of uninitialized resource in Windows File Explorer allows an authorized attacker to disclose inf
Use of uninitialized resource in Windows File Explorer allows an authorized attacker to disclose information locally.
nvd
CVE-2026-50401P4MEDIUMCVSS 5.5≥ 10.0.28000.0, < 10.0.28000.25252026-07-14
CVE-2026-50401 [MEDIUM] CWE-125 CVE-2026-50401: Out-of-bounds read in Windows Cloud Files Mini Filter Driver allows an authorized attacker to disclo
Out-of-bounds read in Windows Cloud Files Mini Filter Driver allows an authorized attacker to disclose information locally.
nvd
CVE-2026-50455P4MEDIUMCVSS 5.5≥ 10.0.28000.0, < 10.0.28000.25252026-07-14
CVE-2026-50455 [MEDIUM] CWE-908 CVE-2026-50455: Use of uninitialized resource in Universal Plug and Play (upnp.dll) allows an authorized attacker to
Use of uninitialized resource in Universal Plug and Play (upnp.dll) allows an authorized attacker to disclose information locally.
nvd
CVE-2026-54997P4MEDIUMCVSS 5.5≥ 10.0.28000.0, < 10.0.28000.25252026-07-14
CVE-2026-54997 [MEDIUM] CWE-908 CVE-2026-54997: Use of uninitialized resource in Windows SMB allows an authorized attacker to disclose information l
Use of uninitialized resource in Windows SMB allows an authorized attacker to disclose information locally.
nvd
CVE-2026-50300P4MEDIUMCVSS 5.5≥ 10.0.28000.0, < 10.0.28000.25252026-07-14
CVE-2026-50300 [MEDIUM] CWE-125 CVE-2026-50300: Integer underflow (wrap or wraparound) in Windows Kernel allows an authorized attacker to disclose i
Integer underflow (wrap or wraparound) in Windows Kernel allows an authorized attacker to disclose information locally.
nvd
CVE-2026-45594P4MEDIUMCVSS 5.5≥ 10.0.28000.0, < 10.0.28000.22692026-06-09
CVE-2026-45594 [MEDIUM] CWE-200 CVE-2026-45594: Exposure of sensitive information to an unauthorized actor in Windows Application Identity (AppID) S
Exposure of sensitive information to an unauthorized actor in Windows Application Identity (AppID) Subsystem allows an authorized attacker to disclose information locally.
nvd
CVE-2026-42969P4MEDIUMCVSS 5.5≥ 10.0.28000.0, < 10.0.28000.22692026-06-09
CVE-2026-42969 [MEDIUM] CWE-908 CVE-2026-42969: Use of uninitialized resource in Windows Push Notifications allows an authorized attacker to disclos
Use of uninitialized resource in Windows Push Notifications allows an authorized attacker to disclose information locally.
nvd
CVE-2026-85815P4MEDIUMCVSS 5.5≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-85815 [MEDIUM] CWE-125 CVE-2026-85815: Out-of-bounds read in Windows Device Association Service allows an authorized attacker to disclose i
Out-of-bounds read in Windows Device Association Service allows an authorized attacker to disclose information locally.
nvd
CVE-2026-96859P4MEDIUMCVSS 5.5≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-96859 [MEDIUM] CWE-125 CVE-2026-96859: Out-of-bounds read in Windows Imaging Component allows an authorized attacker to disclose informatio
Out-of-bounds read in Windows Imaging Component allows an authorized attacker to disclose information locally.
nvd
CVE-2026-96247P4MEDIUMCVSS 5.5≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-96247 [MEDIUM] CWE-908 CVE-2026-96247: Use of uninitialized resource in Windows Kernel-Mode Drivers allows an authorized attacker to disclo
Use of uninitialized resource in Windows Kernel-Mode Drivers allows an authorized attacker to disclose information locally.
nvd