CVE-2024-26169: Microsoft Windows Error Reporting Service Improper Privilege Management Vulnerability

Is it exploited?

Yes. CISA added it to the Known Exploited Vulnerabilities catalog on 13 Jun 2024, 93 days after the CVE record was published.

How likely is exploitation in the next 30 days?

4%

EPSS score, percentile 90.5 of all scored records

How severe?

7.8 High

CVSS v3.1 base score, given by the CNA

What should I do?

CISA deadline 4 Jul 2024. Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.

Advisories and patches (1)

Which versions are affected?

Affected

• from 10.0.17763.0 to before 10.0.17763.5576
• from 10.0.0 to before 10.0.17763.5576
• from 10.0.17763.0 to before 10.0.17763.5576
• from 10.0.17763.0 to before 10.0.17763.5576
• from 10.0.20348.0 to before 10.0.20348.2340
• from 10.0.0 to before 10.0.22000.2836

and 12 more in the table below

Versions by product

Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of 28 Oct 2026; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 28 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.

What to do

CISA due date for this action: 4 July 2024.

Advisories and patches

• Windows Error Reporting Service Elevation of Privilege Vulnerability (Vendor advisory)

Linked from CISA's catalog entry

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-26169
• https://nvd.nist.gov/vuln/detail/CVE-2024-26169

Affected products and versions

As listed in the CVE record.

Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.

About this vulnerability

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

Summary: CISA's KEV catalog, as of 28 Oct 2026.

• CISA added CVE-2024-26169 to its Known Exploited Vulnerabilities (KEV) catalog on 13 Jun 2024.
• CISA marks it as known to be used in ransomware campaigns.
• The due date CISA sets for the required action is 4 Jul 2024.
• The CVE record was published on 12 Mar 2024, 93 days before it was added to KEV.
• The CVE record carries a CVSS v3.1 base score of 7.8 (High), given by its CNA.
• FIRST's EPSS model puts the probability of exploitation in the next 30 days at 4% (percentile 90.5), as of 28 Oct 2026.
• CISA's SSVC assessment in the CVE record: exploitation active, automatable no, technical impact total.

Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of 28 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 28 Oct 2026. About the data.

Description

Windows Error Reporting Service Elevation of Privilege Vulnerability

Windows Error Reporting Service Elevation of Privilege Vulnerability

Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.

Weakness

• CWE-269: Improper Privilege Management

CWE and CAPEC are maintained by MITRE; the entries are those named in the CVE record and the KEV entry.

Timeline

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