Vulnerability in Microsoft Windows Defender For Endpoint
CVE-2022-29800
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.
Vulnerability class: TOCTOU (Time-of-Check to Time-of-Use)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.072 (94.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 94.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.072 · newest: 0.072 · change: 0.000
Affected products
- Microsoft Windows Defender For Endpoint
- Networkd-Dispatcher — versions uknown
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.microsoft.com/security/blog/2022/04/26/microsoft-finds-new-elevation-of-pri… (Technical Description, Exploit, Vendor Advisory)
Frequently asked questions
- What is CVE-2022-29800?
- CVE-2022-29800 is a medium-severity vulnerability in Microsoft Windows Defender For Endpoint, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 4.7/10. Published 2022-09-21.
- How severe is CVE-2022-29800?
- Medium severity. CVSS v3 base score is 4.7 out of 10.
- Is CVE-2022-29800 known to be exploited?
- 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.