VIR Vulnerability Intelligence Relay

CVE-2026-21533

unknown KEV
Published 2026-02-10 · Modified 2026-02-10
CVSS v3
—
CVSS v2
—
VIR risk
1.5

Description

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

CISA KEV

Vendor
Microsoft
Product
Windows
Due date
2026-03-03

Predictions

Exploit likelihood
99%
Patch ETA
—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: cisa-kev — https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21533 ; https://nvd.nist.gov/vuln/detail/CVE-2026-21533

Exploits

References

Verify integrity in audit chain (admin only). AS-IS.