Microsoft Silverlight 5, and 5 Developer Runtime, before 5.1.20125.0 does not properly…
Priority CRITICAL 93Exploited in the wildPublished · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
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."
Why it matters now
Exploitation Active In CISA KEV since 2022-05-25CISA due date 2022-06-15Known ransomware use
EPSS 0.78885 99th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Active
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2022-05-25 Added to CISA KEV
- 2026-10-02 Threatist record created from CVE-2013-0074
- 2026-10-03 Alias added: GHSA-px5j-h582-r6p9
References
More Microsoft Silverlight vulnerabilities
- TI-2016-00028 Microsoft Silverlight 5 before 5.1.41212.0 mishandles negative offsets during decoding… KEVCVSS 3.1HIGH 8.8
- TI-2015-01495 The Windows DirectWrite library, as used in Microsoft .NET Framework 3.0 SP2, 3.5, 3.5.1… KEVCVSS 3.1HIGH 7.8
- TI-2013-03402 Microsoft Silverlight 5 before 5.1.20913.0 does not properly validate pointers during… KEVCVSS 3.1MEDIUM 5.5
- TI-2015-02157 Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows… CVSS 2.0HIGH 9.3
- TI-2015-02165 Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows… CVSS 2.0HIGH 9.3
- TI-2015-02158 Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows… CVSS 2.0HIGH 9.3
Sources
- CVE-2013-0074 · CVE Program
- CVE-2013-0074 · NVD
- CISA Known Exploited Vulnerabilities
- FIRST EPSS
- GHSA-px5j-h582-r6p9 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences