What is CVE-2022-26899?

CVE-2022-26899 is a medium-severity vulnerability in Microsoft Edge Chromium. CVSS score: 6.3/10. Published 2023-06-29.

How severe is CVE-2022-26899?

Medium severity. CVSS v3 base score is 6.3 out of 10.

Vulnerability in Microsoft Edge Chromium

CVE-2022-26899

Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability

Published 2023-06-29 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.007 (52.1th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 52.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

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

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2022-26899 (vendor-advisory, Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2022-26899?: CVE-2022-26899 is a medium-severity vulnerability in Microsoft Edge Chromium. CVSS score: 6.3/10. Published 2023-06-29.
How severe is CVE-2022-26899?: Medium severity. CVSS v3 base score is 6.3 out of 10.