# CVE-2026-118219

Local privilege escalation via use-after-free in Windows Advanced Rasterization Platform

- Page: https://www.vulneraibility.com/cve/CVE-2026-118219
- CVSS: 8.8
- Known exploited: not in CISA KEV as of our last sync
- EPSS: 0.34% (percentile 28.0)
- CISA SSVC: exploitation none, automatable no, technical impact total (assessed 2026-11-10)
- Weakness: CWE-416
- Published: 2026-11-10

## Affected versions

- Microsoft Windows 10 Version 1809: affected >= 10.0.17763.0 and < 10.0.17763.9376
- Microsoft Windows 10 Version 21H2: affected >= 10.0.19044.0 and < 10.0.19044.7807
- Microsoft Windows 10 Version 22H2: affected >= 10.0.19045.0 and < 10.0.19045.7807
- Microsoft Windows 11 version 23H2: affected >= 10.0.22631.0 and < 10.0.22631.7652
- Microsoft Windows 11 Version 23H2: affected >= 10.0.22631.0 and < 10.0.22631.7652
- Microsoft Windows 11 Version 24H2: affected >= 10.0.26100.0 and < 10.0.26100.9711
- Microsoft Windows 11 Version 25H2: affected >= 10.0.26200.0 and < 10.0.26200.9711
- Microsoft Windows 11 version 26H1: affected >= 10.0.28000.0 and < 10.0.28000.3231
- Microsoft Windows 11 Version 26H2: affected >= 10.0.26300.0 and < 10.0.26300.9711
- Microsoft Windows Server 2019: affected >= 10.0.17763.0 and < 10.0.17763.9376
- Microsoft Windows Server 2019 (Server Core installation): affected >= 10.0.17763.0 and < 10.0.17763.9376
- Microsoft Windows Server 2022: affected >= 10.0.20348.0 and < 10.0.20348.5761
- Microsoft Windows Server 2025: affected >= 10.0.26100.0 and < 10.0.26100.33650
- Microsoft Windows Server 2025 (Server Core installation): affected >= 10.0.26100.0 and < 10.0.26100.33650

A version outside these ranges is not a statement that it is unaffected.

## Impact

Local attacker can elevate privileges to SYSTEM by exploiting a use-after-free in Windows Advanced Rasterization Platform (WARP).

## Action

Patch when possible

## Recommendation

Install Microsoft security update per MSRC advisory and restrict local account access until patched.

## References

- [patch] https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-118219

---
Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.