What’s Vulnerable › Vulnerabilities

CVE-2012-1858

• Severity: medium (CVSS 4.3 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 22.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2012-06-12 · updated 2026-06-16
• Weakness: CWE-200

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."

Affected products

• Microsoft Internet Explorer 11: 8, 9
• Microsoft Lync Server: 2010
• Microsoft Office Communicator: 2007-r2

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
• 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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