Vulnerabilities
Deploy patches for Windows libarchive to fix critical CVE-2026-69639 heap overflow
Microsoft rates this heap overflow flaw as critical, allowing attackers to run code remotely without valid credentials on affected systems.
heap overflow
Everything Patch Review has reported about heap overflow: 3 stories, newest first. Part of our Vulnerabilities coverage.
Vulnerabilities
Patch Windows Text Shaping Immediately to Block Critical CVE-2026-83770 RCE
Microsoft flags a critical heap overflow in text rendering that lets attackers run code remotely without login. Update systems immediately to block this network breach.
Vulnerabilities
Windows Shell Heap Overflow Requires Network Exposure Checks
A critical flaw in Windows Shell allows remote code execution, but the source material does not confirm if a fix is available yet.