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CVE-2023-36874

Microsoft Windows Error Reporting Service Privilege Escalation

7.8 HIGHActively exploited (CISA KEV)Public exploitEPSS 42.6%
  1. Published11 Jul 2023
  2. Added to CISA KEV11 Jul 2023
  3. Remediation due1 Aug 2023
Actively exploited (CISA KEV)

Microsoft Windows Error Reporting Service contains an unspecified vulnerability that allows for privilege escalation.

Added to KEV: 11 Jul 2023Federal remediation due: 1 Aug 2023

Description

Windows Error Reporting Service Elevation of Privilege Vulnerability

CVSS 3.1 breakdown

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

Affected products

Microsoft Windows 10 1507< 10.0.10240.20048
Microsoft Windows 10 1607< 10.0.14393.6085
Microsoft Windows 10 1809< 10.0.17763.4645
Microsoft Windows 10 21h2< 10.0.19041.3208
Microsoft Windows 10 22h2< 10.0.19045.3208
Microsoft Windows 11 21h2< 10.0.22000.2176
Microsoft Windows 11 22h2< 10.0.22621.1992
Microsoft Windows Server 2008r2
Microsoft Windows Server 2012r2
Microsoft Windows Server 2016< 10.0.14393.6085
Microsoft Windows Server 2019< 10.0.17763.4645
Microsoft Windows Server 2022< 10.0.20348.1850

Remediation

Fixed in
Microsoft Windows 10 1507≥ 10.0.10240.20048
Microsoft Windows 10 1607≥ 10.0.14393.6085
Microsoft Windows 10 1809≥ 10.0.17763.4645
Microsoft Windows 10 21h2≥ 10.0.19041.3208
Microsoft Windows 10 22h2≥ 10.0.19045.3208
Microsoft Windows 11 21h2≥ 10.0.22000.2176
Microsoft Windows 11 22h2≥ 10.0.22621.1992
Microsoft Windows Server 2016≥ 10.0.14393.6085
Microsoft Windows Server 2019≥ 10.0.17763.4645
Microsoft Windows Server 2022≥ 10.0.20348.1850

References

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Frequently asked

Is CVE-2023-36874 being actively exploited?

Yes. CVE-2023-36874 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 11 Jul 2023.

How severe is CVE-2023-36874?

CVE-2023-36874 has a CVSS 3.1 base score of 7.8, rated high. EPSS estimates a 42.6% probability of exploitation.

Which products are affected by CVE-2023-36874?

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-2023-36874?

Upgrade affected software to a fixed version, for example Microsoft Windows 10 1507 10.0.10240.20048, Microsoft Windows 10 1607 10.0.14393.6085, Microsoft Windows 10 1809 10.0.17763.4645 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2023-36874 against the real software inventory on every managed device, as each hourly inventory arrives. 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, a risk for it never ranks below high, and the update that fixes it moves to the Emergency patch lane. 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.