Improper input validation in Windows Server Update Service allows an unauthorized attacker to perform tampering over a network.
Microsoft
CVE-2026-26154 CVSS 7.5
2026-04-14 07:00 UTC · 2026-04-14 04:00 -03
Improper input validation in Windows Server Update Service allows an unauthorized attacker to perform tampering over a network.
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Server Update Service allows an authorized attacker to elevate privileges locally.
Null pointer dereference in Windows Local Security Authority Subsystem Service (LSASS) allows an unauthorized attacker to deny service over a network.
Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
Untrusted pointer dereference in Windows Win32K - ICOMP allows an authorized attacker to elevate privileges locally.