CVE-2012-1858
Exploitation likely. EPSS gives it a 22% chance of exploitation in the next 30 days. No fix published yet.
What to do
No fixed build or workaround is published yet. Limit exposure and watch for a patch.
What it is
From the CVE record
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."
In plain language
No plain-language summary for this CVE yet.
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Not in the catalog. CISA has not confirmed exploitation.
- Public exploits
No public exploit or proof of concept found in the sources we track.
- EPSS
22% chance of exploitation activity in the next 30 days, which ranks it in the 98th percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
5 events over 5126 days, from the signal feeds we watch.
- OpenVAS check added
- Record updated
- Publishedweakness classified, att&ck mapped
Affected products
Technical detail
CVSS 2.0 vector
Open in the CVSS calculatorAV:N/AC:M/Au:N/C:P/I:N/A:N
Scored 4.3 by NVD.
How it is reached
- Access Vector NetworkExploitable remotely over the network
- Access Complexity MediumSome conditions must be met
- Authentication NoneNo authentication required
Impact if exploited
- Confidentiality PartialSome information is disclosed
- Integrity NoneNo integrity impact
- Availability NoneNo availability impact
Weaknesses
ATT&CK techniques
Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.
Sources
References in the record
- us-cert.gov/cas/techalerts/TA12-192A.html
- docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-050
- us-cert.gov/cas/techalerts/TA12-164A.html
And 3 more references. See all after sign-in
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