Recorded 23 Oct 2026 at 09:33 UTC. This is what ChangeIntel recorded, including the title, summary, facts and links. It is not a statement of the source's current position. See the latest record.

CVECISA Known Exploited Vulnerabilities

Microsoft Windows Improper Privilege Management Vulnerability

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

What it said

CVE: CVE-2026-21533
Vendor: Microsoft
Product: Windows
CISA KEV: Listed 10 Feb 2026
Known ransomware use: Not stated
Federal remediation due: 3 Mar 2026

Recorded links

Source evidence when recorded

CISA KEV: Complete at observationRead 23 Oct 2026 at 09:33 UTC

Coverage describes the sources at this observation. A complete read then does not establish their current position.

Page history

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Field-level log (2)

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23 Oct 2026 · 09:33:49 UTC Source coverage: cisa-kevIncomplete → Current
23 Oct 2026 · 08:31:50 UTC Source coverage: cisa-kevCurrent → Incomplete