Auth bypass in Microsoft Edge

CVE-2019-0566

An elevation of privilege vulnerability exists in Microsoft Edge Browser Broker COM object, aka "Microsoft Edge Elevation of Privilege Vulnerability." This affects Microsoft Edge.

Vulnerability class: Broken Access Control

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.186 (97.2th percentile), scored .

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 97.2% 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-2019-0566: held from 0.186 to 0.186.

EPSS over last 30 days · oldest: 0.186 · newest: 0.186 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2019-0566?
CVE-2019-0566 is a high-severity vulnerability in Microsoft Edge, classified under Missing Authorization. CVSS score: 8.8/10. Published 2019-01-08.
How severe is CVE-2019-0566?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2019-0566 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.