CVE-2012-1858: microsoft internet_explorer
Vulnerability summary
CVE-2012-1858 is a medium (CVSS 4.3) vulnerability in microsoft internet_explorer. EPSS estimates a 22.02% chance of exploitation in the next 30 days, higher than 97.6% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 12-06-2012PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
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."
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
22.02%
Chance of exploitation in the next 30 days
Percentile
98%
Versus all other CVEs
30-day change
0.00 pp
From 22.02% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundMicrosoft Internet Explorer 9 / SharePoint / Lync - toStaticHTML HTML Sanitizing Bypass (MS12-037/MS12-039/MS12-050)
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Microsoft3 products
- internet_explorerEOL8 | 9
- lync2010
- office_communicator2007:r2
1 vendor · 3 products
References
6 links- www.us-cert.gov/cas/techalerts/TA12-192A.htmlThird Party AdvisoryX Refsource CERTUS Government Resource
- docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-050Vendor AdvisoryX Refsource MS
- www.us-cert.gov/cas/techalerts/TA12-164A.htmlThird Party AdvisoryX Refsource CERTUS Government Resource
- docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-037Vendor AdvisoryX Refsource MS
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15530VDB EntrySignatureX Refsource OVAL
- docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-039Vendor AdvisoryX Refsource MS