Buffer overflow in Microsoft Windows Server 2022 23h2

CVE-2024-21345

Windows Kernel Elevation of Privilege Vulnerability

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.204 (97.4th percentile), scored .

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 97.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2024-21345: held from 0.204 to 0.204.

EPSS over last 30 days · oldest: 0.204 · newest: 0.204 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-21345?
CVE-2024-21345 is a high-severity vulnerability in Microsoft Windows Server 2022 23h2, classified under Heap-based Buffer Overflow. CVSS score: 8.8/10. Published 2024-02-13.
How severe is CVE-2024-21345?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2024-21345 known to be exploited?
11 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.