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High 8.8

Windows Advanced Rasterization Platformの脆弱性で権限を昇格される恐れ

CVE-2026-118228 First seen on SecPulse

Summary

Windows Advanced Rasterization Platformにヒープベースのバッファオーバーフローの脆弱性が見つかり、認証済みの攻撃者にローカルで権限を昇格されるおそれがあります。影響を受けるのはWindows 10 1809・21H2・22H2とWindows 11 23H2・24H2・25H2です。修正版が公開されているため、各版の修正版を適用してください。

AI summary

Produced by SecPulse using an external AI model; it may contain mistakes. Check the original description and references below before acting on it.

Windows Advanced Rasterization Platformにヒープベースのバッファオーバーフローの脆弱性が見つかり、認証済みの攻撃者にローカルで権限を昇格されるおそれがあります。影響を受けるのはWindows 10 1809・21H2・22H2とWindows 11 23H2・24H2・25H2です。修正版が公開されているため、各版の修正版を適用してください。

Affected packages

PackageAffected → Fixed
MicrosoftWindows 10 Version 1809
≥ 10.0.17763.0, < 10.0.17763.9376→ 10.0.17763.9376
MicrosoftWindows 10 Version 21H2
≥ 10.0.19044.0, < 10.0.19044.7807→ 10.0.19044.7807
MicrosoftWindows 10 Version 22H2
≥ 10.0.19045.0, < 10.0.19045.7807→ 10.0.19045.7807
MicrosoftWindows 11 Version 23H2
≥ 10.0.22631.0, < 10.0.22631.7652→ 10.0.22631.7652
MicrosoftWindows 11 Version 24H2
≥ 10.0.26100.0, < 10.0.26100.9711→ 10.0.26100.9711
MicrosoftWindows 11 Version 25H2
≥ 10.0.26200.0, < 10.0.26200.9711→ 10.0.26200.9711
MicrosoftWindows 11 version 26H1
≥ 10.0.28000.0, < 10.0.28000.3231→ 10.0.28000.3231
MicrosoftWindows 11 Version 26H2
≥ 10.0.26300.0, < 10.0.26300.9711→ 10.0.26300.9711
MicrosoftWindows Server 2019
≥ 10.0.17763.0, < 10.0.17763.9376→ 10.0.17763.9376
MicrosoftWindows Server 2019 (Server Core installation)
≥ 10.0.17763.0, < 10.0.17763.9376→ 10.0.17763.9376
MicrosoftWindows Server 2022
≥ 10.0.20348.0, < 10.0.20348.5761→ 10.0.20348.5761
MicrosoftWindows Server 2025
≥ 10.0.26100.0, < 10.0.26100.33650→ 10.0.26100.33650
MicrosoftWindows Server 2025 (Server Core installation)
≥ 10.0.26100.0, < 10.0.26100.33650→ 10.0.26100.33650
Original description The description as published by the source.

Heap-based buffer overflow in Windows Advanced Rasterization Platform allows an authorized attacker to elevate privileges locally.

Source: Microsoft Security Response Center Blog NVD GitHub Advisory

References

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