Vulnerability in Microsoft Edge

CVE-2017-8523

Microsoft Edge in Microsoft Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016 allows an attacker to trick a user into loading a page with malicious content when Microsoft Edge fails to correctly apply Same Origin Policy for HTML elements present in other browser windows, aka "Microsoft Edge Security Feature Bypass Vulnerability". This CVE ID is unique from CVE-2017-8530 and CVE-2017-8555.

EPSS: 0.014 (69.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2017-8523?
CVE-2017-8523 is a medium-severity vulnerability in Microsoft Edge, classified under Origin Validation Error. CVSS score: 4.3/10. Published 2017-06-15.
How severe is CVE-2017-8523?
Medium severity. CVSS v3 base score is 4.3 out of 10.
Is CVE-2017-8523 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.