Critical WSUS flaw in Windows Server now exploited in attacks

Critical WSUS flaw in Windows Server now exploited in attacks

Cybercriminals are actively exploiting a critical Windows Server Update Service (WSUS) vulnerability, CVE-2025-59287, which allows remote code execution and could potentially spread like a worm. Microsoft has issued emergency patches, but active exploitation and scanning are already reported in the wild. #CVE2025-59287 #WSUSVulnerability

Keypoints

  • The CVE-2025-59287 vulnerability affects Windows servers with the WSUS Server role enabled.
  • Threat actors can exploit this flaw remotely with low complexity, without user interaction, gaining SYSTEM privileges.
  • Microsoft released out-of-band security updates for all impacted Windows Server versions to mitigate the risk.
  • Cybersecurity firms have observed active scanning and exploitation attempts, with some systems already compromised.
  • Administrators are advised to install patches immediately or disable the WSUS Server role as a temporary workaround.

Read More: https://www.bleepingcomputer.com/news/security/hackers-now-exploiting-critical-windows-server-wsus-flaw-in-attacks/