Auth bypass in Microsoft Windows 10 1607

CVE-2023-21549

Windows SMB Witness Service Elevation of Privilege Vulnerability

Published · last modified .

CVSS v3 metric

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

EPSS exploit prediction

EPSS: 0.014 (72.2th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 72nd percentile — 72.2% 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-2023-21549: held from 0.014 to 0.014.

EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2023-21549?
CVE-2023-21549 is a high-severity vulnerability in Microsoft Windows 10 1607, classified under Improper Authorization. CVSS score: 8.8/10. Published 2023-01-10.
How severe is CVE-2023-21549?
High severity. CVSS v3 base score is 8.8 out of 10.