CVE-2011-1266

Name: CVE-2011-1266
Creator: NVD / NIST
Published: 2011-06-16T20:55:01.997+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 17.98%

Last modified Jun 16, 2026

CVE-2011-1266 is a vulnerability of currently unknown severity. The Vector Markup Language (VML) implementation in vgx.dll in Microsoft Internet Explorer 6 through 8 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code by accessing an object that (1) was not properly initialized or (2) is deleted, aka "VML Memory Corruption Vulnerability.". EPSS estimates a 17.98% chance of exploitation in the next 30 days.

Description

The Vector Markup Language (VML) implementation in vgx.dll in Microsoft Internet Explorer 6 through 8 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code by accessing an object that (1) was not properly initialized or (2) is deleted, aka "VML Memory Corruption Vulnerability."

Metrics

EPSS Probability

17.98%

96.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-908

Affected Software

Vendor	Product	Versions
Microsoft	Internet Explorer	6
Microsoft	Internet Explorer	7
Microsoft	Internet Explorer	8

References

https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-052Patch, Vendor Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12593Tool Signature
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-052Patch, Vendor Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12593Tool Signature

Timeline

Published: Jun 16, 2011
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2011-1266?

How severe is CVE-2011-1266?

Severity scoring for CVE-2011-1266 is pending analysis. The EPSS model estimates a 17.98% probability of exploitation in the next 30 days.

How do I fix CVE-2011-1266?

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-2011-1266?

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

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Source: NVD / NIST