Microsoft Windows App Storeの脆弱性で権限が昇格される
Summary
Windows App Storeの検索パスの扱いに問題があり、権限を持つ攻撃者が端末上で権限を昇格させるおそれがあります。影響するのはWindows 10 21H2・22H2、Windows 11 23H2・24H2・25H2・26H1で、各版の修正版が公開されています。CVSSは7.8で、早めに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 App Storeの検索パスの扱いに問題があり、権限を持つ攻撃者が端末上で権限を昇格させるおそれがあります。影響するのはWindows 10 21H2・22H2、Windows 11 23H2・24H2・25H2・26H1で、各版の修正版が公開されています。CVSSは7.8で、早めに修正版を適用してください。
Affected packages
| Package | Affected → Fixed | |
|---|---|---|
| MicrosoftWindows 10 Version 21H2 |
≥ 10.0.19044.0, < 10.0.19044.7807→ 10.0.19044.7807 |
10.0.19044.7807 |
| MicrosoftWindows 10 Version 22H2 |
≥ 10.0.19045.0, < 10.0.19045.7807→ 10.0.19045.7807 |
10.0.19045.7807 |
| MicrosoftWindows 11 Version 23H2 |
≥ 10.0.22631.0, < 10.0.22631.7652→ 10.0.22631.7652 |
10.0.22631.7652 |
| MicrosoftWindows 11 Version 24H2 |
≥ 10.0.26100.0, < 10.0.26100.9711→ 10.0.26100.9711 |
10.0.26100.9711 |
| MicrosoftWindows 11 Version 25H2 |
≥ 10.0.26200.0, < 10.0.26200.9711→ 10.0.26200.9711 |
10.0.26200.9711 |
| MicrosoftWindows 11 version 26H1 |
≥ 10.0.28000.0, < 10.0.28000.3231→ 10.0.28000.3231 |
10.0.28000.3231 |
| MicrosoftWindows 11 Version 26H2 |
≥ 10.0.26300.0, < 10.0.26300.9711→ 10.0.26300.9711 |
10.0.26300.9711 |
| MicrosoftWindows Server 2022 |
≥ 10.0.20348.0, < 10.0.20348.5761→ 10.0.20348.5761 |
10.0.20348.5761 |
| MicrosoftWindows Server 2025 |
≥ 10.0.26100.0, < 10.0.26100.33650→ 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 |
10.0.26100.33650 |
Original description The description as published by the source.
Untrusted search path in Microsoft Windows App Store allows an authorized attacker to elevate privileges locally.
Source: Microsoft Security Response Center Blog NVD GitHub Advisory
References
- web msrc.microsoft.com
- web nvd.nist.gov
- web github.com