Microsoft’s WSUS Woes: Urgent Fix for Critical Flaw Under Siege!
Microsoft has urgently patched a critical WSUS flaw, CVE-2025-59287, which was actively exploited. The vulnerability allowed remote attackers to execute code with SYSTEM privileges by sending malicious cookies. This is a reminder that even cookies can be dangerous when they crumble the wrong way! Make sure you update and reboot your systems.

Hot Take:
Microsoft has once again proven that just like a Hollywood blockbuster, the drama never stops. This time, WSUS stands for “Will Someone Understand Security?” as it grapples with a critical flaw that lets attackers play System Admin for a day. Who needs a Halloween costume when you can dress up as a hacker with SYSTEM privileges? Get your popcorn ready, folks, because this thriller is under active attack!
Key Points:
– Microsoft has released an urgent update for a critical Remote Code Execution (RCE) vulnerability in WSUS, tagged CVE-2025-59287.
– The flaw allows unauthorized attackers to execute code over a network due to unsafe deserialization in the WSUS service.
– The vulnerability has been added to the U.S. CISA’s Known Exploited Vulnerabilities catalog.
– Researchers have published a proof-of-concept, and active attacks have been confirmed in the wild.
– The flaw’s exploitation is limited due to WSUS’s typically non-public exposure.
