Buffer overflow in Microsoft Windows and Windows Server - CVE-2023-36874
Published: July 11, 2023 / Updated: April 5, 2024
Vulnerability identifier: #VU78074
CSH Severity: High
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-36874
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability:
The vulnerability is being exploited in the wild
Vulnerability details
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error within the Windows Error Reporting Service. A local user can use a specially crafted performance trace to trigger memory corruption and execute arbitrary code on the target system.
Note, the vulnerability is being actively exploited in the wild.
Affected software
Microsoft Windows
Windows Server
Windows Server
How to mitigate CVE-2023-36874
Install updates from vendor's website.
Links to Public Exploits and PoC-codes
- Exploit #9674 - CVE-2023-36874 (This repository contains a proof-of-concept exploit written in C++ that demonstrates the exploitation of a vulnerability affecting the Windows Error Reporting (WER) component.) (April 5, 2024)
- Exploit #9639 - CVE-2023-36874 () (March 22, 2024)
- Exploit #9634 - CVE-2023-36874_BOF (Weaponized CobaltStrike BOF for CVE-2023-36874 Windows Error Reporting LPE) (March 22, 2024)
- Exploit #9362 - Microsoft Error Reporting Local Privilege Elevation Vulnerability (September 27, 2023)