CVE-2012-1858
MEDIUMEPSS 97th pctlDescription
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."
CVSS v2 Vector
No CVSS vector data available.
Exploit Intelligence
Very high risk: more likely to be exploited than 97% of all known CVEs.
References
- http://www.us-cert.gov/cas/techalerts/TA12-164A.html
- http://www.us-cert.gov/cas/techalerts/TA12-192A.html
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-037
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-039
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-050
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15530
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Start freeThis product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-29.