CVE-2022-29800

MEDIUM

Microsoft Windows Defender For Endpoint - TOCTOU Race Condition

Title source: rule

Description

A time-of-check-time-of-use (TOCTOU) race condition vulnerability was found in networkd-dispatcher. This flaw exists because there is a certain time between the scripts being discovered and them being run. An attacker can abuse this vulnerability to replace scripts that networkd-dispatcher believes to be owned by root with ones that are not.

Exploits (1)

nomisec WORKING POC

by ngtuonghung · poc

https://github.com/ngtuonghung/nimbuspwn-CVE-2022-29800-CVE-2022-29799

View Code ZIP pw:eip

References (1)

[Exploit, Technical Description, Vendor Advisory] https://www.microsoft.com/security/blog/2022/04/26/microsoft-finds-new-elevation-of-privilege-linux-vulnerability-nimbuspwn/

Scores

CVSS v3 4.7

EPSS 0.0009

EPSS Percentile 25.9%

Attack Vector LOCAL

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

CISA SSVC

Vulnrichment

Exploitation poc

Automatable no

Technical Impact partial

Details

CWE

CWE-367

Status published

Products (1)

microsoft/windows_defender_for_endpoint

Published Sep 21, 2022

Tracked Since Feb 18, 2026