Microsoft Win32k Privilege Escalation Vulnerability

HOCH 7.8EXPLOITED (CISA KEV)CVE-2022-21882 · Published 11/01/2022 · updated 15/08/2026

Microsoft Win32k Privilege Escalation Vulnerability. Actively exploited: CISA added this vulnerability to its Known Exploited Vulnerabilities catalog on 04/02/2022. Patch affected systems as an emergency. It is known to be used in ransomware campaigns.

Kurz gesagt

CVE-2022-21882 ist eine Schwachstelle (HOCH (CVSS 7.8)).
Wird aktiv ausgenutzt: CISA hat sie am 04/02/2022 in den KEV-Katalog aufgenommen.
Wahrscheinlichkeit einer Ausnutzung in den nächsten 30 Tagen (EPSS): 59.2%, höher als bei 99.1% aller Schwachstellen.
Noch keine gepatchte Version bekannt: Herstellerhinweise unter Referenzen verfolgen.

Package	Affected versions	Patched versions
Win32k Microsoft	Versions not published yet (product named by CISA KEV)

Description

Win32k Elevation of Privilege Vulnerability

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21882 · Patch
packetstormsecurity.com/files/166169/Win32k-ConsoleControl-Offset-Confusion-Privilege-Escalation.html · Third Party Advisory
portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-21882 · Patch
cisa.gov/known-exploited-vulnerabilities-catalog · US Government Resource
CISA KEV · CVE-2022-21882

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