Microsoft Windows 11 26H1 vulnerabilities
2,505 known vulnerabilities affecting microsoft/windows_11_26h1.
Total CVEs
2,505
CISA KEV
5
actively exploited
Public exploits
2
Exploited in wild
7
Severity breakdown
CRITICAL92HIGH1851MEDIUM558LOW4
Vulnerabilities
Page 120 of 126
CVE-2026-83849P4MEDIUMCVSS 5.5fixed in 10.0.28000.32312026-10-13
CVE-2026-83849 [MEDIUM] CWE-125 CVE-2026-83849: Out-of-bounds read in Windows Hello allows an authorized attacker to disclose information locally.
Out-of-bounds read in Windows Hello allows an authorized attacker to disclose information locally.
nvd
CVE-2026-96910P4MEDIUMCVSS 5.5fixed in 10.0.28000.32312026-10-13
CVE-2026-96910 [MEDIUM] CWE-822 CVE-2026-96910: Untrusted pointer dereference in Microsoft Windows Search Component allows an authorized attacker to
Untrusted pointer dereference in Microsoft Windows Search Component allows an authorized attacker to disclose information locally.
nvd
CVE-2026-96930P4MEDIUMCVSS 5.5fixed in 10.0.28000.32312026-10-13
CVE-2026-96930 [MEDIUM] CWE-125 CVE-2026-96930: Out-of-bounds read in Windows Universal Disk Format File System Driver (UDFS) allows an authorized a
Out-of-bounds read in Windows Universal Disk Format File System Driver (UDFS) allows an authorized attacker to disclose information locally.
nvd
CVE-2026-70173P4MEDIUMCVSS 5.5fixed in 10.0.28000.32312026-10-13
CVE-2026-70173 [MEDIUM] CWE-125 CVE-2026-70173: Out-of-bounds read in Microsoft Windows Search Component allows an authorized attacker to disclose i
Out-of-bounds read in Microsoft Windows Search Component allows an authorized attacker to disclose information locally.
nvd
CVE-2026-85909P4MEDIUMCVSS 5.5fixed in 10.0.28000.32312026-10-13
CVE-2026-85909 [MEDIUM] CWE-822 CVE-2026-85909: Out-of-bounds read in Windows Universal Disk Format File System Driver (UDFS) allows an authorized a
Out-of-bounds read in Windows Universal Disk Format File System Driver (UDFS) allows an authorized attacker to disclose information locally.
nvd
CVE-2026-77491P4MEDIUMCVSS 5.5fixed in 10.0.28000.29542026-09-08
CVE-2026-77491 [MEDIUM] CWE-125 CVE-2026-77491: Out-of-bounds read in Windows GDI allows an unauthorized attacker to disclose information locally.
Out-of-bounds read in Windows GDI allows an unauthorized attacker to disclose information locally.
nvd
CVE-2026-32081P4MEDIUMCVSS 5.5fixed in 10.0.28000.18362026-04-14
CVE-2026-32081 [MEDIUM] CWE-200 CVE-2026-32081: Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an author
Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an authorized attacker to disclose information locally.
nvd
CVE-2026-42973P4MEDIUMCVSS 5.5fixed in 10.0.28000.22692026-06-09
CVE-2026-42973 [MEDIUM] CWE-200 CVE-2026-42973: Exposure of sensitive information to an unauthorized actor in Windows Push Notifications allows an a
Exposure of sensitive information to an unauthorized actor in Windows Push Notifications allows an authorized attacker to disclose information locally.
nvd
CVE-2026-42970P4MEDIUMCVSS 5.5fixed in 10.0.28000.22692026-06-09
CVE-2026-42970 [MEDIUM] CWE-200 CVE-2026-42970: Exposure of sensitive information to an unauthorized actor in Windows Push Notifications allows an a
Exposure of sensitive information to an unauthorized actor in Windows Push Notifications allows an authorized attacker to disclose information locally.
nvd
CVE-2026-50428P4MEDIUMCVSS 5.5fixed in 10.0.28000.2269fixed in 10.0.28000.25252026-07-14
CVE-2026-50428 [MEDIUM] CWE-125 CVE-2026-50428: Out-of-bounds read in Windows Container Isolation FS Filter Driver (unionfs.sys) allows an authorize
Out-of-bounds read in Windows Container Isolation FS Filter Driver (unionfs.sys) allows an authorized attacker to disclose information locally.
nvd
CVE-2026-78454P4MEDIUMCVSS 5.5fixed in 10.0.28000.29542026-09-08
CVE-2026-78454 [MEDIUM] CWE-125 CVE-2026-78454: Out-of-bounds read in Windows CD-ROM Driver allows an authorized attacker to disclose information lo
Out-of-bounds read in Windows CD-ROM Driver allows an authorized attacker to disclose information locally.
nvd
CVE-2026-69609P4MEDIUMCVSS 5.5fixed in 10.0.28000.29542026-09-08
CVE-2026-69609 [MEDIUM] CWE-125 CVE-2026-69609: Out-of-bounds read in Windows Win32K allows an authorized attacker to disclose information locally.
Out-of-bounds read in Windows Win32K allows an authorized attacker to disclose information locally.
nvd
CVE-2026-69504P4MEDIUMCVSS 5.5fixed in 10.0.28000.29542026-09-08
CVE-2026-69504 [MEDIUM] CWE-125 CVE-2026-69504: Out-of-bounds read in Windows NTFS allows an authorized attacker to disclose information locally.
Out-of-bounds read in Windows NTFS allows an authorized attacker to disclose information locally.
nvd
CVE-2026-69808P4MEDIUMCVSS 5.5fixed in 10.0.28000.29542026-09-08
CVE-2026-69808 [MEDIUM] CWE-125 CVE-2026-69808: Out-of-bounds read in Windows Win32K allows an authorized attacker to disclose information locally.
Out-of-bounds read in Windows Win32K allows an authorized attacker to disclose information locally.
nvd
CVE-2026-69343P4MEDIUMCVSS 5.5fixed in 10.0.28000.29542026-09-08
CVE-2026-69343 [MEDIUM] CWE-125 CVE-2026-69343: Out-of-bounds read in Windows Overlay Filter allows an authorized attacker to disclose information l
Out-of-bounds read in Windows Overlay Filter allows an authorized attacker to disclose information locally.
nvd
CVE-2026-69286P4MEDIUMCVSS 5.5fixed in 10.0.28000.29542026-09-08
CVE-2026-69286 [MEDIUM] CWE-20 CVE-2026-69286: Out-of-bounds read in Windows USB Audio Class driver (usbaudio.sys) allows an authorized attacker to
Out-of-bounds read in Windows USB Audio Class driver (usbaudio.sys) allows an authorized attacker to disclose information locally.
nvd
CVE-2026-69303P4MEDIUMCVSS 5.5fixed in 10.0.28000.29542026-09-08
CVE-2026-69303 [MEDIUM] CWE-125 CVE-2026-69303: Out-of-bounds read in Push Message Routing Service allows an authorized attacker to disclose informa
Out-of-bounds read in Push Message Routing Service allows an authorized attacker to disclose information locally.
nvd
CVE-2026-69741P4MEDIUMCVSS 5.5fixed in 10.0.28000.29542026-09-08
CVE-2026-69741 [MEDIUM] CWE-125 CVE-2026-69741: Out-of-bounds read in Windows Spaceport.sys allows an authorized attacker to disclose information lo
Out-of-bounds read in Windows Spaceport.sys allows an authorized attacker to disclose information locally.
nvd
CVE-2026-70145P4MEDIUMCVSS 5.5fixed in 10.0.28000.29542026-09-08
CVE-2026-70145 [MEDIUM] CWE-125 CVE-2026-70145: Out-of-bounds read in Microsoft Windows Search Component allows an authorized attacker to disclose i
Out-of-bounds read in Microsoft Windows Search Component allows an authorized attacker to disclose information locally.
nvd
CVE-2026-69353P4MEDIUMCVSS 5.5fixed in 10.0.28000.29542026-09-08
CVE-2026-69353 [MEDIUM] CWE-125 CVE-2026-69353: Out-of-bounds read in Windows Text Shaping allows an authorized attacker to disclose information loc
Out-of-bounds read in Windows Text Shaping allows an authorized attacker to disclose information locally.
nvd