What is CVE-2022-23263?

CVE-2022-23263 is a high-severity vulnerability in Microsoft Edge Chromium. CVSS score: 7.7/10. Published 2022-02-07.

How severe is CVE-2022-23263?

High severity. CVSS v3 base score is 7.7 out of 10.

Vulnerability in Microsoft Edge Chromium

CVE-2022-23263

Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability

Published 2022-02-07 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.008 (54.7th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 54.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Microsoft Edge Chromium
Microsoft Edge (Chromium-Based) — versions 1.0.0

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2022-23263 (vendor-advisory)

Frequently asked questions

What is CVE-2022-23263?: CVE-2022-23263 is a high-severity vulnerability in Microsoft Edge Chromium. CVSS score: 7.7/10. Published 2022-02-07.
How severe is CVE-2022-23263?: High severity. CVSS v3 base score is 7.7 out of 10.