CVE-2019-0768 — A security feature bypass vulnerability exists when Internet Explorer VBScript e

A security feature bypass vulnerability exists when Internet Explorer VBScript execution policy does not properly restrict VBScript under specific conditions, and to allow requests that should otherwise be ignored, aka 'Internet Explorer Security Feature Bypass Vulnerability

01What is this vulnerability?

A security feature bypass vulnerability exists when Internet Explorer VBScript execution policy does not properly restrict VBScript under specific conditions, and to allow requests that should otherwise be ignored, aka 'Internet Explorer Security Feature Bypass Vulnerability'. This CVE ID is unique from CVE-2019-0761.

02Affected products

Vendor	Product	Versions
Microsoft	Internet Explorer 11	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: 2019-04-09T01:37:38.000Z
• Last modified: 2024-08-04T17:58:58.702Z

09References

• portal.msrc.microsoft.com — https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0768