CVE-2023-36874

highpriority · act · 90OT risk · criticalKEV · exploitedEPSS 0.426 · 99 %ileexploit · weaponizedDEEURUUS

grimoire priorityP0 · Act now

Exploitable?

Yes · in the wild

CISA KEV · 6 exploits · weaponized

Likely / severe?

42.6% (99th) EPSS

CVSS 7.8 · high

Is it mine?

129 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

added 2023-07-11remediate by 2023-08-01

required action Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.

EPSS · scored 2026-10-24

Microsoft Windows Error Reporting Service Privilege Escalation Vulnerability

Windows Error Reporting Service Elevation of Privilege Vulnerability

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

FixedWindows 10 Version 1607 for 32-bit Systemsmsrc_csaf
10.0.14393.6085:Security Update:https://support.microsoft.com/help/5028169
https://support.microsoft.com/help/5028169
FixedWindows 10 Version 1607 for x64-based Systemsmsrc_csaf
10.0.14393.6085:Security Update:https://support.microsoft.com/help/5028169
https://support.microsoft.com/help/5028169
FixedWindows 10 Version 1809 for 32-bit Systemsmsrc_csaf
10.0.17763.4645:Security Update:https://support.microsoft.com/help/5028168
https://support.microsoft.com/help/5028168
FixedWindows 10 Version 1809 for ARM64-based Systemsmsrc_csaf
10.0.17763.4645:Security Update:https://support.microsoft.com/help/5028168
https://support.microsoft.com/help/5028168
FixedWindows 10 Version 1809 for x64-based Systemsmsrc_csaf
10.0.17763.4645:Security Update:https://support.microsoft.com/help/5028168
https://support.microsoft.com/help/5028168
FixedWindows 10 Version 21H2 for 32-bit Systemsmsrc_csaf
10.0.19044.3208:Security Update:https://support.microsoft.com/help/5028166
https://support.microsoft.com/help/5028166
FixedWindows 10 Version 21H2 for ARM64-based Systemsmsrc_csaf
10.0.19044.3208:Security Update:https://support.microsoft.com/help/5028166
https://support.microsoft.com/help/5028166
FixedWindows 10 Version 21H2 for x64-based Systemsmsrc_csaf
10.0.19044.3208:Security Update:https://support.microsoft.com/help/5028166
https://support.microsoft.com/help/5028166
FixedWindows 10 Version 22H2 for 32-bit Systemsmsrc_csaf
10.0.19045.3208:Security Update:https://support.microsoft.com/help/5028166
https://support.microsoft.com/help/5028166
FixedWindows 10 Version 22H2 for ARM64-based Systemsmsrc_csaf
10.0.19045.3208:Security Update:https://support.microsoft.com/help/5028166
https://support.microsoft.com/help/5028166
FixedWindows 10 Version 22H2 for x64-based Systemsmsrc_csaf
10.0.19045.3208:Security Update:https://support.microsoft.com/help/5028166
https://support.microsoft.com/help/5028166
FixedWindows 10 for 32-bit Systemsmsrc_csaf
10.0.10240.20048:Security Update:https://support.microsoft.com/help/5028186
https://support.microsoft.com/help/5028186
FixedWindows 10 for x64-based Systemsmsrc_csaf
10.0.10240.20048:Security Update:https://support.microsoft.com/help/5028186
https://support.microsoft.com/help/5028186
FixedWindows 11 Version 22H2 for ARM64-based Systemsmsrc_csaf
10.0.22621.1992:Security Update:https://support.microsoft.com/help/5028185
https://support.microsoft.com/help/5028185
FixedWindows 11 Version 22H2 for x64-based Systemsmsrc_csaf
10.0.22621.1992:Security Update:https://support.microsoft.com/help/5028185
https://support.microsoft.com/help/5028185
FixedWindows 11 version 21H2 for ARM64-based Systemsmsrc_csaf
10.0.22000.2176:Security Update:https://support.microsoft.com/help/5028182
https://support.microsoft.com/help/5028182
FixedWindows 11 version 21H2 for x64-based Systemsmsrc_csaf
10.0.22000.2176:Security Update:https://support.microsoft.com/help/5028182
https://support.microsoft.com/help/5028182
FixedWindows Server 2008 R2 for x64-based Systems Service Pack 1msrc_csaf
6.1.7601.26623:Monthly Rollup:https://support.microsoft.com/help/5028240
https://support.microsoft.com/help/5028240
FixedWindows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)msrc_csaf
6.1.7601.26623:Monthly Rollup:https://support.microsoft.com/help/5028240
https://support.microsoft.com/help/5028240
FixedWindows Server 2008 for 32-bit Systems Service Pack 2msrc_csaf
6.0.6003.22175:Monthly Rollup:https://support.microsoft.com/help/5028222
https://support.microsoft.com/help/5028222
FixedWindows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)msrc_csaf
6.0.6003.22175:Monthly Rollup:https://support.microsoft.com/help/5028222
https://support.microsoft.com/help/5028222
FixedWindows Server 2008 for x64-based Systems Service Pack 2msrc_csaf
6.0.6003.22175:Monthly Rollup:https://support.microsoft.com/help/5028222
https://support.microsoft.com/help/5028222
FixedWindows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)msrc_csaf
6.0.6003.22175:Monthly Rollup:https://support.microsoft.com/help/5028222
https://support.microsoft.com/help/5028222
FixedWindows Server 2012msrc_csaf
6.2.9200.24374:Monthly Rollup:https://support.microsoft.com/help/5028232
https://support.microsoft.com/help/5028232
FixedWindows Server 2012 (Server Core installation)msrc_csaf
6.2.9200.24374:Monthly Rollup:https://support.microsoft.com/help/5028232
https://support.microsoft.com/help/5028232
FixedWindows Server 2012 R2msrc_csaf
6.3.9600.21075:Security Only:https://support.microsoft.com/help/5028223
https://support.microsoft.com/help/5028223
FixedWindows Server 2012 R2 (Server Core installation)msrc_csaf
6.3.9600.21075:Security Only:https://support.microsoft.com/help/5028223
https://support.microsoft.com/help/5028223
FixedWindows Server 2016msrc_csaf
10.0.14393.6085:Security Update:https://support.microsoft.com/help/5028169
https://support.microsoft.com/help/5028169
FixedWindows Server 2016 (Server Core installation)msrc_csaf
10.0.14393.6085:Security Update:https://support.microsoft.com/help/5028169
https://support.microsoft.com/help/5028169
FixedWindows Server 2019msrc_csaf
10.0.17763.4645:Security Update:https://support.microsoft.com/help/5028168
https://support.microsoft.com/help/5028168
FixedWindows Server 2019 (Server Core installation)msrc_csaf
10.0.17763.4645:Security Update:https://support.microsoft.com/help/5028168
https://support.microsoft.com/help/5028168
FixedWindows Server 2022msrc_csaf
10.0.20348.1850:Security Update:https://support.microsoft.com/help/5028171
https://support.microsoft.com/help/5028171
FixedWindows Server 2022 (Server Core installation)msrc_csaf
10.0.20348.1850:Security Update:https://support.microsoft.com/help/5028171
https://support.microsoft.com/help/5028171

cvss

Technical severity, 0–10. One row per scoring source.

7.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.17.8highAV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:Csecondary · ENISA EU

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · secure@microsoft.com USexploitability 1.8 · impact 5.9

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Hsecondary · CVSS-BT (t0sche)

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:Csecondary · Microsoft Security Response Center US

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: active · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-269USCWE-59USCWE-59US

exploits (6)

Public proof-of-concept and weaponised exploit code.

exploit/windows/local/win_error_cve_2023_36874Microsoft Error Reporting Local Privilege Elevation Vulnerabilityweaponized · metasploit
Octoberfest7/CVE-2023-36874_BOFWeaponized CobaltStrike BOF for CVE-2023-36874 Windows Error Reporting LPEPoC · poc_in_github
Wh04m1001/CVE-2023-36874Wh04m1001/CVE-2023-36874PoC · poc_in_github
crisprss/CVE-2023-36874CVE-2023-36874 Proof of ConceptPoC · poc_in_github
d0rb/CVE-2023-36874This repository contains a proof-of-concept exploit written in C++ that demonstrates the exploitation of a vulnerability affecting the Windows Error Reporting (WER) component.PoC · poc_in_github
johnnygreeme/CVE-2023-36874Educational Proof of Concept (PoC) for CVE-2023-36874 — Windows Error Reporting (WER) Local Privilege Escalation vulnerability.PoC · poc_in_github

affected products (129)

Products and version ranges known to be affected.

Amazon Linux 2all versionscert_bundDEcpe:/o:amazon:linux_2:-
Fedora Linuxall versionscert_bundDEcpe:/o:fedoraproject:fedora:-
Gentoo Linuxall versionscert_bundDEcpe:/o:gentoo:linux:-
Oracle Linuxall versionscert_bundDEcpe:/o:oracle:linux:-
Xerox FreeFlow Print Serverall versionscert_bundDEcpe:/a:xerox:freeflow_print_server:v2
Xerox FreeFlow Print Server v7 for Solarisall versionscert_bundDEcpe:/a:xerox:freeflow_print_server:v7_for_solaris
Xerox FreeFlow Print Server v9all versionscert_bundDEcpe:/a:xerox:freeflow_print_server:v9
Microsoft Windows 10 Version 150710.0.10240.0 → 10.0.10240.20048enisa_euvdEU
Microsoft Windows 10 Version 160710.0.14393.0 → 10.0.14393.6085enisa_euvdEU
Microsoft Windows 10 Version 180910.0.0 → 10.0.17763.4645enisa_euvdEU
Microsoft Windows 10 Version 180910.0.17763.0 → 10.0.17763.4645enisa_euvdEU
Microsoft Windows 10 Version 21H210.0.19043.0 → 10.0.19044.3208enisa_euvdEU
Microsoft Windows 10 Version 22H210.0.19045.0 → 10.0.19045.3208enisa_euvdEU
Microsoft Windows 11 version 21H210.0.0 → 10.0.22000.2176enisa_euvdEU
Microsoft Windows 11 version 22H210.0.22621.0 → 10.0.22621.1992enisa_euvdEU
Microsoft Windows Server 2008 R2 Service Pack 16.1.7601.0 → 6.1.7601.26623enisa_euvdEU
Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation)6.1.7601.0 → 6.1.7601.26623enisa_euvdEU
Microsoft Windows Server 2008 Service Pack 26.0.6003.0 → 6.0.6003.22175enisa_euvdEU
Microsoft Windows Server 2008 Service Pack 2 (Server Core installation)6.0.6003.0 → 6.0.6003.22175enisa_euvdEU
Microsoft Windows Server 20126.2.9200.0 → 6.2.9200.24374enisa_euvdEU

showing 20 of 129

advisories (3)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-1718Microsoft Windows: Mehrere SchwachstellenDeutsch2023-07-11csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in verschiedenen Versionen von Microsoft Windows und Microsoft Windows Server ausnutzen, um seine Privilegien zu erweitern, beliebigen Programmcode auszuführen, Informationen offenzulegen, Dateien zu manipulieren, Sicherheitsvorkehrungen zu umgehen oder einen Denial of Service Zustand herbeizuführen.
WID-SEC-W-2023-2031Xerox FreeFlow Print Server: Mehrere SchwachstellenDeutsch2023-08-09csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Xerox FreeFlow Print Server ausnutzen, um die Vertraulichkeit, Verfügbarkeit und Integrität des Systems zu gefährden.
msrc_CVE-2023-36874Windows Error Reporting Service Elevation of Privilege Vulnerability2023-07-11csaf · msrc_csafUS
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund msrc_csaf NVD CVE.org MITRE

published 2023-07-11modified 2026-06-17

references (8)

External citations — patches, advisories, analysis.

scry

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