Windows Kerberosの脆弱性で認証の弱さから権限を昇格される
Summary
Windows Kerberosの認証の弱さを突かれると、ネットワーク越しに認証済みの攻撃者が権限を昇格させるおそれがあります。影響を受けるのはWindows 10(1607・1809・21H2・22H2)とWindows 11(23H2・24H2)で、各版の修正版が公開されています。未適用の端末は、修正版の適用を優先してください。
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 Kerberosの認証の弱さを突かれると、ネットワーク越しに認証済みの攻撃者が権限を昇格させるおそれがあります。影響を受けるのはWindows 10(1607・1809・21H2・22H2)とWindows 11(23H2・24H2)で、各版の修正版が公開されています。未適用の端末は、修正版の適用を優先してください。
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.
Weak authentication in Windows Kerberos allows an authorized attacker to elevate privileges over a network.
Source: Microsoft Security Response Center Blog NVD GitHub Advisory
References
- web msrc.microsoft.com
- web nvd.nist.gov
- web github.com