Windows Remote Desktop Services 0-Day Vulnerability Exploited in the Wild to Escalate Privileges

Microsoft has patched CVE-2026-21533, a zero-day elevation of privilege vulnerability in Windows Remote Desktop Services (RDS) that attackers are exploiting in the wild to gain SYSTEM-level access. The flaw stems from improper privilege management and was addressed in the February 2026 Patch Tuesday updates released on February 10. CVE-2026-21533 carries a CVSS v3.1 base score […]

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