CVE-2017-8642

Name: CVE-2017-8642
Creator: NVD / NIST
Published: 2017-08-08T21:29:01.187+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.96%

Last modified Jun 17, 2026

CVE-2017-8642 is a vulnerability of currently unknown severity. Microsoft Edge in Microsoft Windows 10 1703 allows an attacker to elevate privileges due to the way that Microsoft Edge validates JavaScript under specific conditions, aka "Microsoft Edge Elevation of Privilege Vulnerability". This CVE ID is unique from CVE-2017-8503.. EPSS estimates a 2.96% chance of exploitation in the next 30 days.

Description

Microsoft Edge in Microsoft Windows 10 1703 allows an attacker to elevate privileges due to the way that Microsoft Edge validates JavaScript under specific conditions, aka "Microsoft Edge Elevation of Privilege Vulnerability". This CVE ID is unique from CVE-2017-8503.

Metrics

EPSS Probability

2.96%

85.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Microsoft	Edge	All versions

References

http://www.securityfocus.com/bid/100046Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1039101Third Party Advisory, VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8642Patch, Vendor Advisory
http://www.securityfocus.com/bid/100046Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1039101Third Party Advisory, VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8642Patch, Vendor Advisory

Timeline

Published: Aug 8, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-8642?

How severe is CVE-2017-8642?

Severity scoring for CVE-2017-8642 is pending analysis. The EPSS model estimates a 2.96% probability of exploitation in the next 30 days.

How do I fix CVE-2017-8642?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-8642?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST