CVE-2013-0074

CVE-2013-0074 is a high-severity vulnerability in Microsoft Silverlight with a CVSS 3.x base score of 7.8. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2022-05-25).

Key facts

Description

Microsoft Silverlight 5, and 5 Developer Runtime, before 5.1.20125.0 does not properly validate pointers during HTML object rendering, which allows remote attackers to execute arbitrary code via a crafted Silverlight application, aka "Silverlight Double Dereference Vulnerability."

Frequently asked questions

What is CVE-2013-0074?
Microsoft Silverlight 5, and 5 Developer Runtime, before 5.1.20125.0 does not properly validate pointers during HTML object rendering, which allows remote attackers to execute arbitrary code via a crafted Silverlight application, aka "Silverlight Double Dereference Vulnerability."
How severe is CVE-2013-0074?
CVE-2013-0074 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2013-0074 being actively exploited?
Yes. CVE-2013-0074 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2022-05-25, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2013-0074?
CVE-2013-0074 affects Microsoft Silverlight. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2013-0074?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
Does CVE-2013-0074 have an EU (EUVD) identifier?
Yes. CVE-2013-0074 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2013-0117. It is also flagged as exploited in the EUVD (since 2022-05-25).
When was CVE-2013-0074 published?
CVE-2013-0074 was published on 2013-03-13 and last updated on 2026-08-14.

References

Affected products (1)

More vulnerabilities in Microsoft Silverlight

All CVEs affecting Microsoft Silverlight →