CVE-2026-21533

HIGH KEV

Microsoft Windows 10 1607 - Improper Privilege Management

Title source: rule

Description

Improper privilege management in Windows Remote Desktop allows an authorized attacker to elevate privileges locally.

Exploits (7)

github SUSPICIOUS 10 stars
by XiaomingX · pythonpoc
https://github.com/XiaomingX/data-cve-poc-py-v1/tree/main/2026/CVE-2026-21533
nomisec WRITEUP 3 stars
by jenniferreire26 · poc
https://github.com/jenniferreire26/CVE-2026-21533
nomisec WRITEUP 3 stars
by elvin31thai · poc
https://github.com/elvin31thai/CVE-2026-21533
nomisec SCANNER
by fevar54 · poc
https://github.com/fevar54/CVE-2026-21533_Scanner.py
nomisec SUSPICIOUS
by richardpaimu34 · poc
https://github.com/richardpaimu34/CVE-2026-21533
nomisec SUSPICIOUS
by washingtonmaister · poc
https://github.com/washingtonmaister/CVE-2026-21533
nomisec SCANNER
by Pairs34 · poc
https://github.com/Pairs34/RDPVulnarableCheck

Scores

CVSS v3 7.8
EPSS 0.2265
EPSS Percentile 95.9%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CISA KEV 2026-02-10
VulnCheck KEV 2026-02-10
ENISA EUVD EUVD-2026-7343
CWE
CWE-269
Status published
Products (36)
microsoft/windows_10_1607 < 10.0.14393.8868 (2 CPE variants)
microsoft/windows_10_1809 < 10.0.17763.8389 (2 CPE variants)
microsoft/windows_10_21h2 < 10.0.19044.6937 (3 CPE variants)
microsoft/windows_10_22h2 < 10.0.19045.6937 (3 CPE variants)
Microsoft/Windows 10 Version 1607 10.0.14393.0 - 10.0.14393.8868
Microsoft/Windows 10 Version 1809 10.0.17763.0 - 10.0.17763.8389
Microsoft/Windows 10 Version 21H2 10.0.19044.0 - 10.0.19044.6937
Microsoft/Windows 10 Version 22H2 10.0.19045.0 - 10.0.19045.6937
microsoft/windows_11_23h2 < 10.0.22631.6649 (2 CPE variants)
microsoft/windows_11_24h2 < 10.0.26100.7781 (2 CPE variants)
... and 26 more
Published Feb 10, 2026
KEV Added Feb 10, 2026
Tracked Since Feb 18, 2026