What is CVE-2022-33649?

CVE-2022-33649 is a critical-severity vulnerability in Microsoft Edge Chromium. CVSS score: 9.6/10. Published 2022-08-09.

How severe is CVE-2022-33649?

Critical severity. CVSS v3 base score is 9.6 out of 10.

Vulnerability in Microsoft Edge Chromium

CVE-2022-33649

Microsoft Edge (Chromium-based) Security Feature Bypass Vulnerability

Published 2022-08-09 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.023 (83.0th percentile), scored 2026-10-19.

Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 83.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.023 · newest: 0.023 · change: +0.000

Affected products

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

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2022-33649 (vendor-advisory)

Frequently asked questions

What is CVE-2022-33649?: CVE-2022-33649 is a critical-severity vulnerability in Microsoft Edge Chromium. CVSS score: 9.6/10. Published 2022-08-09.
How severe is CVE-2022-33649?: Critical severity. CVSS v3 base score is 9.6 out of 10.