What is CVE-2023-29350?

CVE-2023-29350 is a high-severity vulnerability in Microsoft Edge Chromium, classified under Improper Privilege Management. CVSS score: 7.5/10. Published 2023-05-05.

How severe is CVE-2023-29350?

High severity. CVSS v3 base score is 7.5 out of 10.

Privilege escalation in Microsoft Edge Chromium

CVE-2023-29350

Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability

Vulnerability class: Privilege Escalation

Published 2023-05-05 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.026 (84.9th percentile), scored 2026-10-07.

Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 84.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.026 · newest: 0.026 · change: 0.000

Affected products

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

Weakness classification (CWE)

CWE-269 — Improper Privilege Management

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2023-29350 (vendor-advisory, Patch, Vendor Advisory)
af854a3a-2127-422b-91ae-364da2661108 (Third Party Advisory)

Frequently asked questions

What is CVE-2023-29350?: CVE-2023-29350 is a high-severity vulnerability in Microsoft Edge Chromium, classified under Improper Privilege Management. CVSS score: 7.5/10. Published 2023-05-05.
How severe is CVE-2023-29350?: High severity. CVSS v3 base score is 7.5 out of 10.