Skip to content
COOEY

EXPOSURES › CVE-2026-21533

CVE-2026-21533

HIGH ⌖ ON CISA KEV · EXPLOITED
DETAIL
SourceCISA-KEV · kev Published2026-02-10 Referencehttps://nvd.nist.gov/vuln/detail/CVE-2026-21533 ↗
⚡ RCE ⌖ EXPLOITED IN THE WILD SHAME 72/100 exploited-in-wildunpatched

Authorized attackers could elevate privileges locally in Microsoft Windows due to an improper privilege management vulnerability.

An unpatched vulnerability in Microsoft Windows Remote Desktop Services allowed authorized attackers to elevate their privileges locally, posing a high security risk.

Shame score — Authorized attackers could exploit an unpatched vulnerability to elevate privileges locally, leading to a high security risk.

▸ RECOMMENDED ACTION  Actively exploited (CISA KEV) — remediate now, ahead of your normal patch cycle.

DESCRIPTION

Microsoft Windows Remote Desktop Services contains an improper privilege management vulnerability that could allow an authorized attacker to elevate privileges locally.

AFFECTED FEDRAMP PRODUCTS · 4
PRODUCTSTATUS
Azure Commercial Cloud
Microsoft
Authorized
Azure Government (includes Dynamics 365)
Microsoft
Authorized
Microsoft Office 365 GCC High
Microsoft
In Process
Office 365 Multi-Tenant & Supporting Services
Microsoft
Authorized