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MSRC compact vulnerability detail

CVE-2026-20822 · Windows Graphics Component Elevation of Privilege Vulnerability

Use after free in Microsoft Graphics Component allows an authorized attacker to elevate privileges locally.

Severity
Critical
Impact
Elevation of Privilege
CVSS
7.8 base · 6.8 temporal
Release
2026-01-13
Signals
Microsoft Graphics Component Elevation of Privilege Exploited: No Publicly disclosed: No Exploitability: Exploitation Less Likely
CWE
CWE-416: Use After Free
Patch Diff
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Resolved binary override
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Description
Use after free in Microsoft Graphics Component allows an authorized attacker to elevate privileges locally.
FAQ / Articles
FAQ
According to the CVSS metric, a successful exploitation could lead to a scope change (S:C). What does this mean for this vulnerability? In a GPU paravirtualization scenario, an attacker who successfully exploited this vulnerability could traverse the guest’s security boundary to gain access to the host environment.
Microsoft Graphics Component Elevation of Privilege Vulnerability
Use after free in Microsoft Graphics Component allows an authorized attacker to elevate privileges locally.
FAQ
What privileges could be gained by an attacker who successfully exploited this vulnerability? An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.
FAQ
According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability? Successful exploitation of this vulnerability requires an attacker to win a race condition.