Back to live map

CVE-2024-30088

KEVRansomware UseMicrosoft Windows Kernel TOCTOU Race Condition Vulnerability

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

Windows Kernel Elevation of Privilege Vulnerability

CVSS 3.1 vectorCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
PublishedJun 11, 2024
Last modifiedAug 4, 2026
Added to KEVOct 15, 2024
Remediation dueNov 5, 2024
    82
    Risk assessment · Critical

    Actively exploited and used by ransomware crews. Patch immediately.

    Exploitation
    Confirmed in the wild (CISA KEV)
    Federal remediation deadline
    Overdue by 721 days
    Ransomware
    Used in known ransomware campaigns
    CVSS
    7.0 HIGH
    EPSS (30-day exploit probability)
    68.2% · top 1% of all CVEs
    Weakness
    CWE-367
    1. 1.Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
    2. 2.Treat as emergency change: patch or isolate internet-facing instances first.
    3. 3.Hunt for compromise: review logs for the disclosure window, not just from the patch date.
    4. 4.Verify offline/immutable backups and segment the affected systems. This flaw is used for ransomware initial access.

    Assessment is derived automatically from the live signals above; verify against your own asset inventory.