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High 7.5

Windows Network Address Translation (NAT)に隣接ネットワークから任意のコードを実行される脆弱性

CVE-2026-88212 First seen on SecPulse

Summary

Windows Network Address Translation (NAT)の解放後の使用により、認証されていない攻撃者が隣接ネットワークからコードを実行できるおそれがあります。影響を受けるのはWindows 10 Version 1607・1809・21H2・22H2、Windows 11 Version 23H2・24H2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 Network Address Translation (NAT)の解放後の使用により、認証されていない攻撃者が隣接ネットワークからコードを実行できるおそれがあります。影響を受けるのはWindows 10 Version 1607・1809・21H2・22H2、Windows 11 Version 23H2・24H2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 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 Windows Network Address Translation (NAT) allows an unauthorized attacker to execute code over an adjacent network.

Source: Microsoft Security Response Center Blog NVD GitHub Advisory

References

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