9.8 CriticalCWE-416
CVE-2026-45657
Microsoft Windows 11 version 23H2 vulnerability
MicrosoftWindows 11 version 23H2
Status
- Not in CISA KEV
- Vendor fix available
Exploit probabilityEPSSchecked 23 Oct
1.0%probability of exploitation in the next 30 days
Higher than 62% of scored CVEs
SeverityCVSS
9.8Critical
Description NVD
Use after free in Windows Kernel allows an unauthorized attacker to execute code over a network.
Coverage 1 article · 1 outlet
- Microsoft patches CVE-2026-41091 amid record 208 CVE updateSecurity Affairs · first in our coverage · mentions it in passing