CVE-2013-0074

HIGHNVD 7.89.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2022-05-25), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 7.8 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, ghsa, nvd
Trending — 4 sources updated this weekExploited in the wild
7.8
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS: 82%CVSS: 7.8Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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."

CVSS v3
7.8
EG Score
9.0(high)
EPSS
99.6%
KEV
⚠ Exploited

Published

March 13, 2013

Last Modified

April 22, 2026

Advisory Details (2)

Auto-updated May 19, 2026
⚠️ Active exploitation confirmed. Patch available. Sources: cisa.
cisa Patch Available🔴 Active Exploitation

Known Exploited Vulnerabilities Catalog | CISA

Known Exploited Vulnerabilities Catalog | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2013-0074
generic

Microsoft Security Bulletin MS13-022 - Critical | Microsoft Learn

https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-022

Data Freshness Timeline

(refreshed 89× in last 7d / 385× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 508 total refreshes for this CVE.

  1. 2026-07-07 17:16 UTCCISA KEV update
  2. 2026-07-07 15:02 UTCEG score recompute
  3. 2026-07-07 15:02 UTCGHSA enrichment
  4. 2026-07-07 10:55 UTCEG score recompute
  5. 2026-07-07 10:55 UTCGHSA enrichment
  6. 2026-07-07 06:55 UTCEG score recompute
  7. 2026-07-07 06:55 UTCGHSA enrichment
  8. 2026-07-07 02:54 UTCEG score recompute
  9. 2026-07-07 02:54 UTCGHSA enrichment
  10. 2026-07-06 22:54 UTCEG score recompute
  11. 2026-07-06 22:54 UTCGHSA enrichment
  12. 2026-07-06 18:54 UTCEG score recompute
  13. 2026-07-06 18:54 UTCGHSA enrichment
  14. 2026-07-06 14:54 UTCEG score recompute
  15. 2026-07-06 14:54 UTCGHSA enrichment
  16. 2026-07-06 10:53 UTCEG score recompute
  17. 2026-07-06 10:53 UTCGHSA enrichment
  18. 2026-07-06 06:39 UTCEG score recompute
  19. 2026-07-06 06:39 UTCGHSA enrichment
  20. 2026-07-06 02:40 UTCEG score recompute
  21. 2026-07-06 02:40 UTCGHSA enrichment
  22. 2026-07-06 02:19 UTCEPSS rescore
  23. 2026-07-06 02:19 UTCEPSS rescore
  24. 2026-07-05 22:40 UTCEG score recompute
  25. 2026-07-05 22:40 UTCGHSA enrichment
Show 75 more
  1. 2026-07-05 18:41 UTCEG score recompute
  2. 2026-07-05 18:41 UTCGHSA enrichment
  3. 2026-07-05 14:42 UTCEG score recompute
  4. 2026-07-05 14:42 UTCGHSA enrichment
  5. 2026-07-05 10:41 UTCEG score recompute
  6. 2026-07-05 10:41 UTCGHSA enrichment
  7. 2026-07-05 06:42 UTCEG score recompute
  8. 2026-07-05 06:42 UTCGHSA enrichment
  9. 2026-07-05 02:42 UTCEG score recompute
  10. 2026-07-05 02:42 UTCGHSA enrichment
  11. 2026-07-04 22:43 UTCEG score recompute
  12. 2026-07-04 22:43 UTCGHSA enrichment
  13. 2026-07-04 18:44 UTCEG score recompute
  14. 2026-07-04 18:43 UTCGHSA enrichment
  15. 2026-07-04 14:43 UTCEG score recompute
  16. 2026-07-04 14:43 UTCGHSA enrichment
  17. 2026-07-04 10:44 UTCEG score recompute
  18. 2026-07-04 10:43 UTCGHSA enrichment
  19. 2026-07-04 06:43 UTCEG score recompute
  20. 2026-07-04 06:42 UTCGHSA enrichment
  21. 2026-07-04 02:42 UTCEG score recompute
  22. 2026-07-04 02:42 UTCGHSA enrichment
  23. 2026-07-03 22:42 UTCEG score recompute
  24. 2026-07-03 22:42 UTCGHSA enrichment
  25. 2026-07-03 18:42 UTCEG score recompute
  26. 2026-07-03 18:42 UTCGHSA enrichment
  27. 2026-07-03 14:42 UTCEG score recompute
  28. 2026-07-03 14:42 UTCGHSA enrichment
  29. 2026-07-03 10:43 UTCEG score recompute
  30. 2026-07-03 10:42 UTCGHSA enrichment
  31. 2026-07-03 06:42 UTCEG score recompute
  32. 2026-07-03 06:42 UTCGHSA enrichment
  33. 2026-07-03 02:40 UTCEG score recompute
  34. 2026-07-03 02:40 UTCGHSA enrichment
  35. 2026-07-02 22:40 UTCEG score recompute
  36. 2026-07-02 22:40 UTCGHSA enrichment
  37. 2026-07-02 18:40 UTCEG score recompute
  38. 2026-07-02 18:40 UTCGHSA enrichment
  39. 2026-07-02 14:38 UTCEG score recompute
  40. 2026-07-02 14:38 UTCGHSA enrichment
  41. 2026-07-02 10:39 UTCEG score recompute
  42. 2026-07-02 10:39 UTCGHSA enrichment
  43. 2026-07-02 06:39 UTCEG score recompute
  44. 2026-07-02 06:39 UTCGHSA enrichment
  45. 2026-07-02 02:40 UTCEG score recompute
  46. 2026-07-02 02:40 UTCGHSA enrichment
  47. 2026-07-01 22:40 UTCEG score recompute
  48. 2026-07-01 22:40 UTCGHSA enrichment
  49. 2026-07-01 19:16 UTCCISA KEV update
  50. 2026-07-01 18:41 UTCEG score recompute
  51. 2026-07-01 18:41 UTCGHSA enrichment
  52. 2026-07-01 15:02 UTCEPSS rescore
  53. 2026-07-01 14:42 UTCEG score recompute
  54. 2026-07-01 14:42 UTCGHSA enrichment
  55. 2026-07-01 10:42 UTCEG score recompute
  56. 2026-07-01 10:42 UTCGHSA enrichment
  57. 2026-07-01 06:43 UTCEG score recompute
  58. 2026-07-01 06:43 UTCGHSA enrichment
  59. 2026-07-01 02:42 UTCEG score recompute
  60. 2026-07-01 02:42 UTCGHSA enrichment
  61. 2026-06-30 22:43 UTCEG score recompute
  62. 2026-06-30 22:42 UTCGHSA enrichment
  63. 2026-06-30 18:43 UTCEG score recompute
  64. 2026-06-30 18:43 UTCGHSA enrichment
  65. 2026-06-30 14:43 UTCEG score recompute
  66. 2026-06-30 14:43 UTCGHSA enrichment
  67. 2026-06-30 10:42 UTCEG score recompute
  68. 2026-06-30 10:42 UTCGHSA enrichment
  69. 2026-06-30 06:40 UTCEG score recompute
  70. 2026-06-30 06:40 UTCGHSA enrichment
  71. 2026-06-30 02:41 UTCEG score recompute
  72. 2026-06-30 02:41 UTCGHSA enrichment
  73. 2026-06-29 22:42 UTCEG score recompute
  74. 2026-06-29 22:42 UTCGHSA enrichment
  75. 2026-06-29 19:12 UTCCISA KEV update

Publicly available exploits

(3 references)

Working exploit code is in the public domain (1 Metasploit module) (2 Exploit-DB entries). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-29858✓ verified
    First seen Nov 27, 2013

    Microsoft Internet Explorer - COALineDashStyleArray Unsafe Memory Access (MS12-022) (Metasploit)

    Open source ↗
  • Exploit-DBEDB-41702✓ verified
    First seen Mar 12, 2013

    Microsoft Silverlight - ScriptObject Unsafe Memory Access (MS13-022/MS13-087) (Metasploit)

    Open source ↗
  • Metasploitexploit/windows/browser/ms13_022_silverlight_script_object✓ verified
    First seen Mar 12, 2013

    MS13-022 Microsoft Silverlight ScriptObject Unsafe Memory Access

    Open source ↗

Frequently asked(6)

What is CVE-2013-0074?
CVE-2013-0074 is a high vulnerability published on March 13, 2013. 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."
When was CVE-2013-0074 disclosed?
CVE-2013-0074 was first published in the National Vulnerability Database on March 13, 2013, with the most recent update on April 22, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2013-0074 actively exploited?
Yes. CISA added CVE-2013-0074 to the Known Exploited Vulnerabilities catalog on May 25, 2022, affecting Microsoft Silverlight. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2013-0074?
CVE-2013-0074 has a CVSS v3 base score of 7.8 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
Which products are affected by CVE-2013-0074?
CVE-2013-0074 affects Microsoft Silverlight. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.
How do I remediate CVE-2013-0074?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2013-0074, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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