CVE-2024-30088MicrosoftOperating systemsOctober 15, 2024

Microsoft Windows Kernel TOCTOU Race Condition Vulnerability

High 7Actively exploitedUsed by ransomware

Description

Microsoft Windows Kernel contains a time-of-check to time-of-use (TOCTOU) race condition vulnerability that could allow for privilege escalation.

What to do

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

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Details

Vendor
Microsoft
Product
Windows
CVE
CVE-2024-30088
Affected versions
Windows 10 Version 1507 10.0: from 10.0.10240.0 to 10.0.10240.20680 (excluded) — fixed in 10.0.10240.20680
Windows 10 Version 1607 10.0: from 10.0.14393.0 to 10.0.14393.7070 (excluded) — fixed in 10.0.14393.7070
Windows 10 Version 1809 10.0: from 10.0.17763.0 to 10.0.17763.5936 (excluded); from 10.0.0 to 10.0.17763.5936 (excluded) — fixed in 10.0.17763.5936
Windows 10 Version 21H2 10.0: from 10.0.19044.0 to 10.0.19044.4529 (excluded) — fixed in 10.0.19044.4529
Windows 10 Version 22H2 10.0: from 10.0.19045.0 to 10.0.19045.4529 (excluded) — fixed in 10.0.19045.4529
Windows 11 version 21H2 10.0: from 10.0.22000.0 to 10.0.22000.3019 (excluded) — fixed in 10.0.22000.3019
Windows 11 version 22H2 10.0: from 10.0.22621.0 to 10.0.22621.3737 (excluded) — fixed in 10.0.22621.3737
Windows 11 version 23H2 10.0: from 10.0.22631.0 to 10.0.22631.3737 (excluded) — fixed in 10.0.22631.3737
Windows 11 Version 23H2 10.0: from 10.0.22631.0 to 10.0.22631.3737 (excluded) — fixed in 10.0.22631.3737
Windows Server 2016 10.0: from 10.0.14393.0 to 10.0.14393.7070 (excluded) — fixed in 10.0.14393.7070
Windows Server 2016 (Server Core installation) 10.0: from 10.0.14393.0 to 10.0.14393.7070 (excluded) — fixed in 10.0.14393.7070
Windows Server 2019 10.0: from 10.0.17763.0 to 10.0.17763.5936 (excluded) — fixed in 10.0.17763.5936
Windows Server 2019 (Server Core installation) 10.0: from 10.0.17763.0 to 10.0.17763.5936 (excluded) — fixed in 10.0.17763.5936
Windows Server 2022 10.0: from 10.0.20348.0 to 10.0.20348.2527 (excluded) — fixed in 10.0.20348.2527
Windows Server 2022, 23H2 Edition (Server Core installation) 10.0: from 10.0.25398.0 to 10.0.25398.950 (excluded) — fixed in 10.0.25398.950 (from the advisory and NVD; check the exact builds in the official advisory)
CVSS score
7
Actively exploited
Yes, listed in the CISA Known Exploited Vulnerabilities catalog
CISA due date
November 5, 2024 (deadline for US federal agencies: a good benchmark for you too)
Source
CISA KEV – original advisory
Published
October 15, 2024

The description and the recommended action are quoted from the public advisory; severity, exploitation status and affected versions are compiled automatically from public sources and may contain errors. The vendor's original advisory prevails: check it before taking action. This information is provided without warranty and does not replace a professional assessment.

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