What is CVE-2016-3198?

CVE-2016-3198 is a medium-severity vulnerability in Microsoft Edge, classified under CWE-254. CVSS score: 6.5/10. Published 2016-06-16.

How severe is CVE-2016-3198?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Microsoft Edge

CVE-2016-3198

Microsoft Edge allows remote attackers to bypass the Content Security Policy (CSP) protection mechanism via a crafted document, aka "Microsoft Edge Security Feature Bypass."

Published 2016-06-16 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.325 (98.3th percentile), scored 2026-09-30.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 98.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.325 · newest: 0.325 · change: 0.000

Affected products

Microsoft Edge

Weakness classification (CWE)

CWE-254

References

www.securitytracker.com/id/1036099 (vdb-entry)
docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-068 (vendor-advisory)

Frequently asked questions

What is CVE-2016-3198?: CVE-2016-3198 is a medium-severity vulnerability in Microsoft Edge, classified under CWE-254. CVSS score: 6.5/10. Published 2016-06-16.
How severe is CVE-2016-3198?: Medium severity. CVSS v3 base score is 6.5 out of 10.