Microsoft Windows 11 23H2 vulnerabilities
1,263 known vulnerabilities affecting microsoft/windows_11_23h2.
Total CVEs
1,263
CISA KEV
52
actively exploited
Public exploits
22
Exploited in wild
21
Severity breakdown
CRITICAL15HIGH884MEDIUM358LOW6
Vulnerabilities
Page 36 of 64
CVE-2025-21343HIGHCVSS 7.5fixed in 10.0.22631.47512025-01-14
CVE-2025-21343 [HIGH] CWE-269 CVE-2025-21343: Windows Web Threat Defense User Service Information Disclosure Vulnerability
Windows Web Threat Defense User Service Information Disclosure Vulnerability
nvd
CVE-2025-21389HIGHCVSS 7.5fixed in 10.0.22631.47512025-01-14
CVE-2025-21389 [HIGH] CWE-400 CVE-2025-21389: Uncontrolled resource consumption in Windows Universal Plug and Play (UPnP) Device Host allows an un
Uncontrolled resource consumption in Windows Universal Plug and Play (UPnP) Device Host allows an unauthorized attacker to deny service over a network.
nvd
CVE-2025-21295HIGHCVSS 8.1fixed in 10.0.22631.47512025-01-14
CVE-2025-21295 [HIGH] CWE-416 CVE-2025-21295: SPNEGO Extended Negotiation (NEGOEX) Security Mechanism Remote Code Execution Vulnerability
SPNEGO Extended Negotiation (NEGOEX) Security Mechanism Remote Code Execution Vulnerability
nvd
CVE-2025-21302HIGHCVSS 8.8fixed in 10.0.22631.47512025-01-14
CVE-2025-21302 [HIGH] CWE-122 CVE-2025-21302: Windows Telephony Service Remote Code Execution Vulnerability
Windows Telephony Service Remote Code Execution Vulnerability
nvd
CVE-2025-21294HIGHCVSS 8.1fixed in 10.0.22631.47512025-01-14
CVE-2025-21294 [HIGH] CWE-591 CVE-2025-21294: Microsoft Digest Authentication Remote Code Execution Vulnerability
Microsoft Digest Authentication Remote Code Execution Vulnerability
nvd
CVE-2025-21332HIGHCVSS 8.8fixed in 10.0.22631.47512025-01-14
CVE-2025-21332 [HIGH] CWE-41 CVE-2025-21332: MapUrlToZone Security Feature Bypass Vulnerability
MapUrlToZone Security Feature Bypass Vulnerability
nvd
CVE-2025-21292HIGHCVSS 8.8fixed in 10.0.22631.47512025-01-14
CVE-2025-21292 [HIGH] CWE-94 CVE-2025-21292: Windows Search Service Elevation of Privilege Vulnerability
Windows Search Service Elevation of Privilege Vulnerability
nvd
CVE-2025-21305HIGHCVSS 8.8fixed in 10.0.22631.47512025-01-14
CVE-2025-21305 [HIGH] CWE-122 CVE-2025-21305: Windows Telephony Service Remote Code Execution Vulnerability
Windows Telephony Service Remote Code Execution Vulnerability
nvd
CVE-2025-21252HIGHCVSS 8.8fixed in 10.0.22631.47512025-01-14
CVE-2025-21252 [HIGH] CWE-122 CVE-2025-21252: Windows Telephony Service Remote Code Execution Vulnerability
Windows Telephony Service Remote Code Execution Vulnerability
nvd
CVE-2025-21235HIGHCVSS 7.8fixed in 10.0.22631.47512025-01-14
CVE-2025-21235 [HIGH] CWE-20 CVE-2025-21235: Windows PrintWorkflowUserSvc Elevation of Privilege Vulnerability
Windows PrintWorkflowUserSvc Elevation of Privilege Vulnerability
nvd
CVE-2025-21382HIGHCVSS 7.8fixed in 10.0.22631.47512025-01-14
CVE-2025-21382 [HIGH] CWE-122 CVE-2025-21382: Windows Graphics Component Elevation of Privilege Vulnerability
Windows Graphics Component Elevation of Privilege Vulnerability
nvd
CVE-2025-21266HIGHCVSS 8.8fixed in 10.0.22631.47512025-01-14
CVE-2025-21266 [HIGH] CWE-122 CVE-2025-21266: Windows Telephony Service Remote Code Execution Vulnerability
Windows Telephony Service Remote Code Execution Vulnerability
nvd
CVE-2025-21230HIGHCVSS 7.5fixed in 10.0.22631.47512025-01-14
CVE-2025-21230 [HIGH] CWE-20 CVE-2025-21230: Microsoft Message Queuing (MSMQ) Denial of Service Vulnerability
Microsoft Message Queuing (MSMQ) Denial of Service Vulnerability
nvd
CVE-2025-21276HIGHCVSS 7.5fixed in 10.0.22631.47512025-01-14
CVE-2025-21276 [HIGH] CWE-191 CVE-2025-21276: Windows MapUrlToZone Denial of Service Vulnerability
Windows MapUrlToZone Denial of Service Vulnerability
nvd
CVE-2025-21277HIGHCVSS 7.5fixed in 10.0.22631.47512025-01-14
CVE-2025-21277 [HIGH] CWE-126 CVE-2025-21277: Microsoft Message Queuing (MSMQ) Denial of Service Vulnerability
Microsoft Message Queuing (MSMQ) Denial of Service Vulnerability
nvd
CVE-2025-21240HIGHCVSS 8.8fixed in 10.0.22631.47512025-01-14
CVE-2025-21240 [HIGH] CWE-122 CVE-2025-21240: Windows Telephony Service Remote Code Execution Vulnerability
Windows Telephony Service Remote Code Execution Vulnerability
nvd
CVE-2025-21411HIGHCVSS 8.8fixed in 10.0.22621.4751fixed in 10.0.22631.47512025-01-14
CVE-2025-21411 [HIGH] CWE-122 CVE-2025-21411: Windows Telephony Service Remote Code Execution Vulnerability
Windows Telephony Service Remote Code Execution Vulnerability
nvd
CVE-2025-21237HIGHCVSS 8.8fixed in 10.0.22631.47512025-01-14
CVE-2025-21237 [HIGH] CWE-122 CVE-2025-21237: Windows Telephony Service Remote Code Execution Vulnerability
Windows Telephony Service Remote Code Execution Vulnerability
nvd
CVE-2025-21333HIGHCVSS 7.8KEVPoCfixed in 10.0.22631.47512025-01-14
CVE-2025-21333 [HIGH] CWE-122 CVE-2025-21333: Windows Hyper-V NT Kernel Integration VSP Elevation of Privilege Vulnerability
Windows Hyper-V NT Kernel Integration VSP Elevation of Privilege Vulnerability
nvd
CVE-2025-21273HIGHCVSS 8.8fixed in 10.0.22631.47512025-01-14
CVE-2025-21273 [HIGH] CWE-122 CVE-2025-21273: Windows Telephony Service Remote Code Execution Vulnerability
Windows Telephony Service Remote Code Execution Vulnerability
nvd