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High 7.0

Windows QWAVEサービスの脆弱性で権限を昇格される恐れ

CVE-2026-119388 First seen on SecPulse

Summary

Windows の QWAVE サービスで解放後使用の脆弱性が見つかり、権限を持つ攻撃者が端末上で権限を昇格させられるおそれがあります。影響を受けるのは Windows 10 の 1607・1809・21H2・22H2 と Windows 11 の 23H2・24H2 です。Microsoft から修正版が公開されているため、Windows Update で各版の修正版に更新してください。

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 の QWAVE サービスで解放後使用の脆弱性が見つかり、権限を持つ攻撃者が端末上で権限を昇格させられるおそれがあります。影響を受けるのは Windows 10 の 1607・1809・21H2・22H2 と Windows 11 の 23H2・24H2 です。Microsoft から修正版が公開されているため、Windows Update で各版の修正版に更新してください。

Affected packages

PackageAffected → Fixed
MicrosoftWindows 10 Version 1607
≥ 10.0.14393.0, < 10.0.14393.9688→ 10.0.14393.9688
MicrosoftWindows 10 Version 1809
≥ 10.0.17763.0, < 10.0.17763.9487→ 10.0.17763.9487
MicrosoftWindows 10 Version 21H2
≥ 10.0.19044.0, < 10.0.19044.7846→ 10.0.19044.7846
MicrosoftWindows 10 Version 22H2
≥ 10.0.19045.0, < 10.0.19045.7846→ 10.0.19045.7846
MicrosoftWindows 11 Version 23H2
≥ 10.0.22631.0, < 10.0.22631.7711→ 10.0.22631.7711
MicrosoftWindows 11 Version 24H2
≥ 10.0.26100.0, < 10.0.26100.9974→ 10.0.26100.9974
MicrosoftWindows 11 Version 25H2
≥ 10.0.26200.0, < 10.0.26200.9974→ 10.0.26200.9974
MicrosoftWindows 11 version 26H1
≥ 10.0.28000.0, < 10.0.28000.3501→ 10.0.28000.3501
MicrosoftWindows 11 Version 26H2
≥ 10.0.26300.0, < 10.0.26300.9974→ 10.0.26300.9974
MicrosoftWindows Server 2016
≥ 10.0.14393.0, < 10.0.14393.9688→ 10.0.14393.9688
MicrosoftWindows Server 2016 (Server Core installation)
≥ 10.0.14393.0, < 10.0.14393.9688→ 10.0.14393.9688
MicrosoftWindows Server 2019
≥ 10.0.17763.0, < 10.0.17763.9487→ 10.0.17763.9487
MicrosoftWindows Server 2019 (Server Core installation)
≥ 10.0.17763.0, < 10.0.17763.9487→ 10.0.17763.9487
MicrosoftWindows Server 2022
≥ 10.0.20348.0, < 10.0.20348.5870→ 10.0.20348.5870
MicrosoftWindows Server 2025
≥ 10.0.26100.0, < 10.0.26100.33822→ 10.0.26100.33822
MicrosoftWindows Server 2025 (Server Core installation)
≥ 10.0.26100.0, < 10.0.26100.33822→ 10.0.26100.33822
Original description The description as published by the source.

Use after free in Quality Windows Audio/Video Experience (QWAVE) service allows an authorized attacker to elevate privileges locally.

Source: Microsoft Security Response Center Blog NVD GitHub Advisory

References

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