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7.8 High

CVE-2026-54124 Integer overflow or wraparound in Windows Terminal allows an unauthorized attacker to execute code locally

Description

Integer overflow or wraparound in Windows Terminal allows an unauthorized attacker to execute code locally.

Affected products and versions

Product Affected versions Fixed in
Windows 10 Version 21H2 10.0 10.0.19044.0 → < 10.0.19044.7548 10.0.19044.7548
Windows 10 Version 22H2 10.0 10.0.19045.0 → < 10.0.19045.7548 10.0.19045.7548
Windows 11 Version 24H2 10.0 10.0.26100.0 → < 10.0.26100.8875 10.0.26100.8875
Windows 11 Version 25H2 10.0 10.0.26200.0 → < 10.0.26200.8875 10.0.26200.8875
Windows 11 version 26H1 10.0 10.0.28000.0 → < 10.0.28000.2525 10.0.28000.2525
Windows Server 2022 10.0 10.0.20348.0 → < 10.0.20348.5386 10.0.20348.5386
Windows Server 2025 10.0 10.0.26100.0 → < 10.0.26100.33158 10.0.26100.33158
Windows Server 2025 (Server Core installation) 10.0 10.0.26100.0 → < 10.0.26100.33158 10.0.26100.33158
Windows Terminal for Windows 10 1.0 1.0.0 → < 1.24.11321.0 1.24.11321.0
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Product Affected versions Fixed in
Windows Terminal for Windows 11 1.0 1.0.0 → < 1.24.11321.0 1.24.11321.0

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