Microsoft Silverlight Information Disclosure Vulnerability

[ Why it matters ]Priority signals

• Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2022-05-25
• EPSS: 68% chance of exploitation in the next 30 days (higher than 99% of CVEs)

[ Description ]Official description

Microsoft Silverlight 5 before 5.1.20913.0 does not properly validate pointers during access to Silverlight elements, which allows remote attackers to obtain sensitive information via a crafted Silverlight application, aka "Silverlight Vulnerability."

CISA: Microsoft Silverlight does not properly validate pointers during access to Silverlight elements, which allows remote attackers to obtain sensitive information via a crafted Silverlight application.

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 15 Jun 2022): The impacted product is end-of-life and should be disconnected if still in use.

• Patch on docs.microsoft.comVendor patch or bulletin · NVD · Reference tagged 'Patch' by NVD

[ References ]References

• www.us-cert.gov/ncas/alerts/TA13-288AThird Party AdvisoryUS Government Resource
• docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-087PatchVendor Advisory
• oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19003Broken Link
• oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19055Broken Link
• www.cisa.gov/known-exploited-vulnerabilities-catalogUS Government Resource