Description
Use after free in Microsoft Graphics Component allows an authorized attacker to elevate privileges locally.
Published: 2026-01-13
Score: 7.8 High
EPSS: < 1% Very Low
KEV: No
Impact: Local Privilege Escalation
Action: Patch Now
AI Analysis

Impact

A use‑after‑free flaw in the Microsoft Graphics Component can be triggered by an authorized local user, enabling the execution of code with elevated privileges. The vulnerability, identified as CWE‑416, allows the attacker to gain higher privileges on the affected Windows system, potentially leading to full system compromise.

Affected Systems

Microsoft Windows 10 (versions 1607, 1809, 21H2, 22H2) and Windows 11 (versions 23H2, 24H2, 25H2, 22H3) as well as Windows Server 2016, 2019, 2022, and the 2025 release.

Risk and Exploitability

The CVSS score is 7.8, indicating high severity, while the EPSS score is below 1%, suggesting a low probability of exploitation in the current environment. The vulnerability requires a privileged, local attacker and is not listed in CISA’s Known Exploited Vulnerabilities catalog, meaning no widespread compromise reports exist yet. Because the flaw involves a use‑after‑free in a core component, exploitation could allow arbitrary code execution if an attacker successfully controls the graphics request path, but the attack vector is confined to local user context.

Generated by OpenCVE AI on April 16, 2026 at 08:35 UTC.

Remediation

No vendor fix or workaround currently provided.

OpenCVE Recommended Actions

  • Install the Microsoft security update that addresses CVE-2026-20822 from Windows Update or the Microsoft Update Catalog.
  • Ensure that all cumulative updates for Windows 10, Windows 11, and Windows Server editions are applied so the graphical component is fully patched.
  • If patching cannot be applied immediately, enforce least‑privilege access controls for local users and consider disabling unnecessary graphics features to reduce the attack surface until the official fix is deployed.

Generated by OpenCVE AI on April 16, 2026 at 08:35 UTC.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

History

Fri, 16 Jan 2026 22:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 14 Jan 2026 20:45:00 +0000

Type Values Removed Values Added
First Time appeared Microsoft windows 10 21h2
Microsoft windows 10 22h2
Microsoft windows 11 23h2
Microsoft windows 11 24h2
Microsoft windows 11 25h2
Microsoft windows Server 2022 23h2
CPEs cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:*
Vendors & Products Microsoft windows 10 21h2
Microsoft windows 10 22h2
Microsoft windows 11 23h2
Microsoft windows 11 24h2
Microsoft windows 11 25h2
Microsoft windows Server 2022 23h2

Tue, 13 Jan 2026 18:15:00 +0000

Type Values Removed Values Added
Description Use after free in Microsoft Graphics Component allows an authorized attacker to elevate privileges locally.
Title Windows Graphics Component Elevation of Privilege Vulnerability
First Time appeared Microsoft
Microsoft windows 10 1607
Microsoft windows 10 1809
Microsoft windows 10 21h2
Microsoft windows 10 22h2
Microsoft windows 11 23h2
Microsoft windows 11 24h2
Microsoft windows 11 25h2
Microsoft windows Server 2016
Microsoft windows Server 2019
Microsoft windows Server 2022
Microsoft windows Server 2025
Microsoft windows Server 23h2
Weaknesses CWE-416
CPEs cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_10_21H2:*:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_10_22H2:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_11_23H2:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_23H2:*:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_11_24H2:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_25H2:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_23h2:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft windows 10 1607
Microsoft windows 10 1809
Microsoft windows 10 21h2
Microsoft windows 10 22h2
Microsoft windows 11 23h2
Microsoft windows 11 24h2
Microsoft windows 11 25h2
Microsoft windows Server 2016
Microsoft windows Server 2019
Microsoft windows Server 2022
Microsoft windows Server 2025
Microsoft windows Server 23h2
References
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C'}


Subscriptions

Microsoft Windows 10 1607 Windows 10 1809 Windows 10 21h2 Windows 10 21h2 Windows 10 22h2 Windows 10 22h2 Windows 11 23h2 Windows 11 23h2 Windows 11 24h2 Windows 11 24h2 Windows 11 25h2 Windows 11 25h2 Windows Server 2016 Windows Server 2019 Windows Server 2022 Windows Server 2022 23h2 Windows Server 2025 Windows Server 23h2
cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-04-01T13:48:25.934Z

Reserved: 2025-12-03T05:54:20.374Z

Link: CVE-2026-20822

cve-icon Vulnrichment

Updated: 2026-01-13T19:38:34.040Z

cve-icon NVD

Status : Analyzed

Published: 2026-01-13T18:16:09.487

Modified: 2026-01-14T20:41:57.610

Link: CVE-2026-20822

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-04-16T08:45:26Z

Weaknesses