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CVE-2024-30088

Microsoft Windows Kernel TOCTOU Race Condition

7.0 HIGHActively exploited (CISA KEV)Used in ransomwareEPSS 68.2%
  1. Published11 Jun 2024
  2. Added to CISA KEV15 Oct 2024
  3. Remediation due5 Nov 2024
Actively exploited (CISA KEV)

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

Added to KEV: 15 Oct 2024Federal remediation due: 5 Nov 2024Used in ransomware

Description

Windows Kernel Elevation of Privilege Vulnerability

CVSS 3.1 breakdown

Attack vectorLocal
Attack complexityHigh
Privileges requiredLow
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

Microsoft Windows 10 1507< 10.0.10240.20680
Microsoft Windows 10 1607< 10.0.14393.7070
Microsoft Windows 10 1809< 10.0.17763.5936
Microsoft Windows 10 21h2< 10.0.19044.4529
Microsoft Windows 10 22h2< 10.0.19045.4529
Microsoft Windows 11 21h2< 10.0.22000.3019
Microsoft Windows 11 22h2< 10.0.22621.3737
Microsoft Windows 11 23h2< 10.0.22631.3737
Microsoft Windows Server 2016< 10.0.14393.7070
Microsoft Windows Server 2019< 10.0.17763.5936
Microsoft Windows Server 2022< 10.0.20348.2522
Microsoft Windows Server 2022 23h2< 10.0.25398.950

Remediation

Fixed in
Microsoft Windows 10 1507≥ 10.0.10240.20680
Microsoft Windows 10 1607≥ 10.0.14393.7070
Microsoft Windows 10 1809≥ 10.0.17763.5936
Microsoft Windows 10 21h2≥ 10.0.19044.4529
Microsoft Windows 10 22h2≥ 10.0.19045.4529
Microsoft Windows 11 21h2≥ 10.0.22000.3019
Microsoft Windows 11 22h2≥ 10.0.22621.3737
Microsoft Windows 11 23h2≥ 10.0.22631.3737
Microsoft Windows Server 2016≥ 10.0.14393.7070
Microsoft Windows Server 2019≥ 10.0.17763.5936

References

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Frequently asked

Is CVE-2024-30088 being actively exploited?

Yes. CVE-2024-30088 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 15 Oct 2024. It has been used in ransomware campaigns.

How severe is CVE-2024-30088?

CVE-2024-30088 has a CVSS 3.1 base score of 7.0, rated high. EPSS estimates a 68.2% probability of exploitation.

Which products are affected by CVE-2024-30088?

Affected products include Microsoft Windows 10 1507, Microsoft Windows 10 1607, Microsoft Windows 10 1809, Microsoft Windows 10 21h2, Microsoft Windows 10 22h2, and 7 more.

How do I fix CVE-2024-30088?

Upgrade affected software to a fixed version, for example Microsoft Windows 10 1507 10.0.10240.20680, Microsoft Windows 10 1607 10.0.14393.7070, Microsoft Windows 10 1809 10.0.17763.5936 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2024-30088 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. Because it is on the CISA KEV list, Secuno flags any affected asset as top-priority automatically. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.