Windows Print Spoolerの脆弱性、ローカルで権限を昇格される
Summary
Windows Print Spooler Componentsに、リンク処理の不備による権限昇格の脆弱性（CVE-2026-119913）が公表されました。認証済みの攻撃者が、ローカルで管理者相当の権限を得るおそれがあります。Windows 10 Version 1607・1809・21H2・22H2、Windows 11 Version 23H2・24H2が対象で、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 Print Spooler Componentsに、リンク処理の不備による権限昇格の脆弱性（CVE-2026-119913）が公表されました。認証済みの攻撃者が、ローカルで管理者相当の権限を得るおそれがあります。Windows 10 Version 1607・1809・21H2・22H2、Windows 11 Version 23H2・24H2が対象で、各版の修正版を適用してください。
Affected packages
| Package | Affected → Fixed | |
|---|---|---|
| MicrosoftWindows 10 Version 1607 |
≥ 10.0.14393.0, < 10.0.14393.9688→ 10.0.14393.9688 |
10.0.14393.9688 |
| MicrosoftWindows 10 Version 1809 |
≥ 10.0.17763.0, < 10.0.17763.9487→ 10.0.17763.9487 |
10.0.17763.9487 |
| MicrosoftWindows 10 Version 21H2 |
≥ 10.0.19044.0, < 10.0.19044.7846→ 10.0.19044.7846 |
10.0.19044.7846 |
| MicrosoftWindows 10 Version 22H2 |
≥ 10.0.19045.0, < 10.0.19045.7846→ 10.0.19045.7846 |
10.0.19045.7846 |
| MicrosoftWindows 11 Version 23H2 |
≥ 10.0.22631.0, < 10.0.22631.7711→ 10.0.22631.7711 |
10.0.22631.7711 |
| MicrosoftWindows 11 Version 24H2 |
≥ 10.0.26100.0, < 10.0.26100.9974→ 10.0.26100.9974 |
10.0.26100.9974 |
| MicrosoftWindows 11 Version 25H2 |
≥ 10.0.26200.0, < 10.0.26200.9974→ 10.0.26200.9974 |
10.0.26200.9974 |
| MicrosoftWindows 11 version 26H1 |
≥ 10.0.28000.0, < 10.0.28000.3501→ 10.0.28000.3501 |
10.0.28000.3501 |
| MicrosoftWindows 11 Version 26H2 |
≥ 10.0.26300.0, < 10.0.26300.9974→ 10.0.26300.9974 |
10.0.26300.9974 |
| MicrosoftWindows Server 2016 |
≥ 10.0.14393.0, < 10.0.14393.9688→ 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 |
10.0.14393.9688 |
| MicrosoftWindows Server 2019 |
≥ 10.0.17763.0, < 10.0.17763.9487→ 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 |
10.0.17763.9487 |
| MicrosoftWindows Server 2022 |
≥ 10.0.20348.0, < 10.0.20348.5870→ 10.0.20348.5870 |
10.0.20348.5870 |
| MicrosoftWindows Server 2025 |
≥ 10.0.26100.0, < 10.0.26100.33822→ 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 |
10.0.26100.33822 |
Original description The description as published by the source.
Improper link resolution before file access ('link following') in Windows Print Spooler Components 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