CVE-2019-0634 — A remote code execution vulnerability exists when Microsoft Edge improperly acce

A remote code execution vulnerability exists when Microsoft Edge improperly accesses objects in memory, aka 'Microsoft Edge Memory Corruption Vulnerability'. This CVE ID is unique from CVE-2019-0645, CVE-2019-0650.

01What is this vulnerability?

A remote code execution vulnerability exists when Microsoft Edge improperly accesses objects in memory, aka 'Microsoft Edge Memory Corruption Vulnerability'. This CVE ID is unique from CVE-2019-0645, CVE-2019-0650.

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, Windows 10 Version 1803 for 32-bit Systems, Windows 10 Version 1803 for x64-based Systems, Windows 10 Version 1803 for ARM64-based Systems, Windows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows 10 Version 1809 for ARM64-based Systems, Windows Server 2019, Windows 10 Version 1709 for ARM64-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: 2019-03-06T00:00:00.000Z
• Last modified: 2024-08-04T17:51:27.229Z

09References

• portal.msrc.microsoft.com — https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0634
• www.securityfocus.com — http://www.securityfocus.com/bid/106899