CVE-2012-1858

Description

The toStaticHTML API (aka the SafeHTML component) in Microsoft Internet Explorer 8 and 9, Communicator 2007 R2, and Lync 2010 and 2010 Attendee does not properly handle event attributes and script, which makes it easier for remote attackers to conduct cross-site scripting (XSS) attacks via a crafted HTML document, aka "HTML Sanitization Vulnerability."

Category

4.3
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 67.58% Top 5%
Vendor Advisory microsoft.com Vendor Advisory microsoft.com Vendor Advisory microsoft.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.us-cert.gov/cas/techalerts/TA12-192A.html third party advisory us government resource
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-050 vendor advisory
http://www.us-cert.gov/cas/techalerts/TA12-164A.html third party advisory us government resource
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-037 vendor advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15530 vdb entry signature
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-039 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2012-1858?
CVE-2012-1858 has been scored as a medium severity vulnerability.
How to fix CVE-2012-1858?
To fix CVE-2012-1858, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2012-1858 being actively exploited in the wild?
It is possible that CVE-2012-1858 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~68% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.