CVE-2018-8512 — A security feature bypass vulnerability exists in Microsoft Edge when the Edge C

A security feature bypass vulnerability exists in Microsoft Edge when the Edge Content Security Policy (CSP) fails to properly validate certain specially crafted documents, aka "Microsoft Edge Security Feature Bypass Vulnerability." This affects Microsoft Edge. This CVE

01What is this vulnerability?

A security feature bypass vulnerability exists in Microsoft Edge when the Edge Content Security Policy (CSP) fails to properly validate certain specially crafted documents, aka "Microsoft Edge Security Feature Bypass Vulnerability." This affects Microsoft Edge. This CVE ID is unique from CVE-2018-8530.

02Affected products

Vendor	Product	Versions
Microsoft	Microsoft Edge	Windows 10 Version 1703 for 32-bit Systems, Windows 10 Version 1703 for x64-based Systems, Windows 10 Version 1709 for 32-bit Systems, Windows 10 Version 1709 for x64-based Systems

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

08Timeline

• Published: 2018-10-10T13:00:00.000Z
• Last modified: 2024-08-05T07:02:24.462Z

09References

• portal.msrc.microsoft.com — https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8512
• www.securityfocus.com — http://www.securityfocus.com/bid/105486
• www.securitytracker.com — http://www.securitytracker.com/id/1041825