Is CVE-2023-36874 actively exploited?

Yes. KEV Intelligence tracks CVE-2023-36874 as a known exploited vulnerability. Confidence is confirmed.

What exploitation activity has KEV Intelligence observed?

KEV Intelligence has not yet recorded sensor-observed exploitation attempts for CVE-2023-36874. Our sensors continue to monitor for activity targeting this CVE.

Which versions are affected?

CVE-2023-36874 affects Microsoft Windows 10 Version 1809 and 20 other products. KEV Intelligence lists 22 version rows; examples include 10.0.17763.0 to < 10.0.17763.4645 and 10.0.0 to < 10.0.17763.4645.

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

CVE-2023-36874 Exploited in the Wild — Windows 10 Version 1809, Windows Server 2019, Windows Server 2019 (Server Core installation), Windows Server 2022, Windows 11 version 21H2, Windows 10 Version 21H2, Windows 11 version 22H2, Windows 10 Version 22H2, Windows 10 Version 1507, Windows 10 Version 1607, Windows Server 2016, Windows Server 2016 (Server Core installation), Windows Server 2008 Service Pack 2, Windows Server 2008 Service Pack 2 (Server Core installation), Windows Server 2008 Service Pack 2, Windows Server 2008 R2 Service Pack 1, Windows Server 2008 R2 Service Pack 1 (Server Core installation), Windows Server 2012, Windows Server 2012 (Server Core installation), Windows Server 2012 R2, Windows Server 2012 R2 (Server Core installation)

Q: What is CVE-2023-36874?

CVE-2023-36874 is Windows Error Reporting Service Elevation of Privilege Vulnerability affecting Microsoft Windows 10 Version 1809 and 20 other products.

Q: How should organizations remediate it?

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.

Q: Is it in CISA KEV?

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

Decision summary

What security teams need to know first

Direct answers before the deeper technical record.

What it is

CVE-2023-36874 is Windows Error Reporting Service Elevation of Privilege Vulnerability affecting Microsoft Windows 10 Version 1809 and 20 other products.

Is it exploited?

Yes. KEV Intelligence tracks this CVE as a known exploited vulnerability. Confidence is confirmed.

Who is affected?

Microsoft / Windows 10 Version 1809 affected before 10.0.17763.4645.

What should we do?

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.

Overview

Windows Error Reporting Service Elevation of Privilege Vulnerability

Vendor Product Affected Status

Microsoft Windows 10 Version 1809 Before 10.0.17763.4645 Affected

Microsoft Windows Server 2019 Before 10.0.17763.4645 Affected

Microsoft Windows Server 2019 (Server Core installation) Before 10.0.17763.4645 Affected

Microsoft Windows Server 2022 Before 10.0.20348.1850 Affected

Microsoft Windows 11 version 21H2 Before 10.0.22000.2176 Affected

Microsoft Windows 10 Version 21H2 Before 10.0.19044.3208 Affected

Microsoft Windows 11 version 22H2 Before 10.0.22621.1992 Affected

Microsoft Windows 10 Version 22H2 Before 10.0.19045.3208 Affected

Microsoft Windows 10 Version 1507 Before 10.0.10240.20048 Affected

Microsoft Windows 10 Version 1607 Before 10.0.14393.6085 Affected

Microsoft Windows Server 2016 Before 10.0.14393.6085 Affected

Microsoft Windows Server 2016 (Server Core installation) Before 10.0.14393.6085 Affected

Microsoft Windows Server 2008 Service Pack 2 Before 6.0.6003.22175 Affected

Microsoft Windows Server 2008 Service Pack 2 (Server Core installation) Before 6.0.6003.22175 Affected

Microsoft Windows Server 2008 Service Pack 2 Before 6.0.6003.22175 Affected

Microsoft Windows Server 2008 R2 Service Pack 1 Before 6.1.7601.26623 Affected

Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) Before 6.1.7601.26623 Affected

Microsoft Windows Server 2012 Before 6.2.9200.24374 Affected

Microsoft Windows Server 2012 (Server Core installation) Before 6.2.9200.24374 Affected

Microsoft Windows Server 2012 R2 Before 6.3.9600.21063 Affected

Microsoft Windows Server 2012 R2 (Server Core installation) Before 6.3.9600.21063 Affected

View vendor advisory

Published: 11 Jul 2023
Exploitation Reported: 11 Jul 2023
Attack vector: Local
Complexity: Low
Privileges: Low
User interaction: None

CVE References

CVE Record CVE.org · CVE Record https://www.cve.org/CVERecord?id=CVE-2023-36874
Windows Error Reporting Service Elevation of Privilege Vulnerability msrc.microsoft.com · Vendor Advisory https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36874

Exploitation evidence

Why KEV Intelligence marks this CVE as exploited

Third-party attestation and first-party sensor observation are shown separately so teams can judge the evidence chain.

Exploited in the wild

CISA

Recorded 11 Jul 2023

Independent exploitation attestation added to the KEV Intelligence record.

Proof of concept available

GitHub

Recorded 20 Aug 2023

Public scanner or PoC coverage increases practical exploitability.

Known exploited vulnerability sources

Per-source evidence links for KEV attestations are available through the KEV Intelligence Pro API.

Learn about Pro API access

Source	Added
CISA First	2023-07-11 00:00 UTC
Tenable Blog	2026-06-02 14:21 UTC

Detection

Operational artifacts and observed signals

Make the evidence actionable in scanner, SOC, and edge-control workflows.

Observed signals

Request targets: 0
User-Agents: 0

Raw values available in Pro and Enterprise.

Scanner coverage

Metasploit template detected 28 Apr 2025.

View Metasploit template

Virtual patch status

No KEV Intelligence virtual patch is currently available. Future rules ship for ModSecurity, Cloudflare, and AWS WAF.

Learn about virtual patches →

Scanner Artifacts

Scanner and exploit-framework references linked to this CVE.

Scanner	Reference	Detected
Metasploit	https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/local/win_error_cve_2023_36874.rb	28 Apr 2025

Risk and context

Severity, weaknesses, and research context

CVSS v3.1

7.8 High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS

43.4%

Weaknesses

Improper Link Resolution Before File Access ('Link Following') CWE-59

Recent mention · Tenable Blog

Inside the customer environment: Where threat actors, vulnerabilities, and exposed assets intersect

Tenable Research has developed a graph-based model linking 600+ threat groups to real-world customer exposures. It reveals which vulnerabilities sit at the intersection of severity, active exploitation, and organizational risk.Key takeawaysThe "patch everything" strategy is...

Read full advisory

Potential Proof of Concepts

These PoCs are unverified and could contain malware. Use at your own risk.

win_error_cve_2023_36874

metasploit · Created Unknown

Metasploit module for CVE-2023-36874

Timeline

From disclosure to observed exploitation

02 Jun 2026
KEV confirmed by Tenable Blog

Exploitation attested by an external source
28 Apr 2025
Metasploit module available

Exploit module available
28 Apr 2025
Public PoC available

Public proof-of-concept code published
11 Jul 2023
CVE published

Vulnerability disclosed publicly
11 Jul 2023
Added to CISA KEV

Listed in the CISA Known Exploited Vulnerabilities catalog
27 Jun 2023
CVE ID reserved

Identifier reserved by the CNA

Pro API

Automate this intelligence

Confidence, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.

View Pro pricing Read API docs

Evidence confidence and provenance
First-party sensor telemetry
PoC and scanner references
Affected versions and enrichment
Automation-ready JSON delivery

GET /api/v2/pro/kevs/CVE-2023-36874

Free JSON includes basic KEV fields

{
  "cve_id": "CVE-2023-36874",
  "confidence": "Confirmed",
  "cvss_score": 7.8,
  "cvss_estimated": false,
  "epss_score": 0.43409,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": false
  },
  "sensor_telemetry": { "attempts": 0, "sensors": 0 }
}

CVE-2023-36874