Active Exploitation of Critical Windows Server Update Service Vulnerability

TL;DR Summary
A critical remote code execution vulnerability in Microsoft WSUS (CVE-2025-59287) was actively exploited in the wild shortly after an emergency patch was released. The flaw allows unauthenticated attackers to execute arbitrary code on affected servers, primarily impacting systems with the WSUS role enabled. Microsoft recommends immediate patching or applying workarounds such as disabling the WSUS role or blocking high-risk ports to mitigate the risk.
Topics:technology#active-exploitation#cve-2025-59287#microsoft-patch#remote-code-execution#security#wsus
- Microsoft WSUS Remote Code Execution (CVE-2025-59287) Actively Exploited in the Wild Unit 42
- Hackers exploiting critical vulnerability in Windows Server Update Service Cybersecurity Dive
- ⚡ Weekly Recap: WSUS Exploited, LockBit 5.0 Returns, Telegram Backdoor, F5 Breach Widens The Hacker News
- WSUS attacks hit 'multiple' orgs as Google and other infosec sleuths ring Redmond’s alarm bell theregister.com
- CISA orders feds to patch Windows Server WSUS flaw used in attacks BleepingComputer
Reading Insights
Total Reads
0
Unique Readers
1
Time Saved
6 min
vs 7 min read
Condensed
95%
1,326 → 64 words
Want the full story? Read the original article
Read on Unit 42