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CVE-2024-26169

KEVRansomware UseMicrosoft Windows Error Reporting Service Improper Privilege Management Vulnerability

Microsoft Windows Error Reporting Service contains an improper privilege management vulnerability that allows a local attacker with user permissions to gain SYSTEM privileges.

Windows Error Reporting Service Elevation of Privilege Vulnerability

CVSS 3.1 vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
PublishedMar 12, 2024
Last modifiedJun 17, 2026
Added to KEVJun 13, 2024
Remediation dueJul 4, 2024
    79
    Risk assessment · High

    Actively exploited and used by ransomware crews. Patch immediately.

    Exploitation
    Confirmed in the wild (CISA KEV)
    Federal remediation deadline
    Overdue by 844 days
    Ransomware
    Used in known ransomware campaigns
    CVSS
    7.8 HIGH
    EPSS (30-day exploit probability)
    4.0% · top 10% of all CVEs
    Weakness
    CWE-269
    1. 1.Apply updates per vendor instructions or discontinue use of the product if updates 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.