CVE-2020-0674

HIGHNVD 7.59.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 7.5 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, ghsa, nvd
Trending — 5 sources updated this weekExploited in the wild
7.5
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS: 87%CVSS: 7.5Exploit: NoneExposed: 0

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

A remote code execution vulnerability exists in the way that the scripting engine handles objects in memory in Internet Explorer, aka 'Scripting Engine Memory Corruption Vulnerability'. This CVE ID is unique from CVE-2020-0673, CVE-2020-0710, CVE-2020-0711, CVE-2020-0712, CVE-2020-0713, CVE-2020-0767.

CVSS v3
7.5
EG Score
9.0(high)
EG Risk
81(Attend)
EG Risk 81/100SSVC: Attend

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity90% × 45%
Exploitation100% × 40%
Automatability0% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS
99.7%
KEV
⚠ Exploited

Published

February 11, 2020

Last Modified

October 29, 2025

Advisory Details (5)

Auto-updated Jun 4, 2026
⚠️ Active exploitation confirmed. Patch available. Sources: microsoft.
microsoft Patch Available

Security Update Guide - Microsoft Security Response Center

Security Update Guide - Microsoft Security Response Center. Patch available via Microsoft Security Update

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0674
generic🔴 Active Exploitation

GitHub - maxpl0it/CVE-2020-0674-Exploit: This is an exploit for CVE-2020-0674 that runs on the x64 version of IE 8, 9, 10, and 11 on Windows 7. · GitHub

https://github.com/maxpl0it/CVE-2020-0674-Exploit
generic

Packet Storm

http://packetstormsecurity.com/files/162565/Microsoft-Internet-Explorer-8-11-Use-After-Free.html
generic

Packet Storm

http://packetstormsecurity.com/files/161309/Microsoft-Internet-Explorer-11-Use-After-Free.html
generic

Packet Storm

http://packetstormsecurity.com/files/159137/Microsoft-Internet-Explorer-11-Use-After-Free.html

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 72× in last 7d / 363× 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 679 total refreshes for this CVE.

  1. 2026-07-24 14:14 UTCEPSS rescore
  2. 2026-07-23 01:48 UTCEG score recompute
  3. 2026-07-23 00:07 UTCEG score recompute
  4. 2026-07-23 00:07 UTCVendor advisory
  5. 2026-07-23 00:07 UTCGHSA enrichment
  6. 2026-07-22 22:31 UTCEG score recompute
  7. 2026-07-22 20:10 UTCGHSA enrichment
  8. 2026-07-22 19:40 UTCCISA KEV update
  9. 2026-07-22 16:12 UTCEG score recompute
  10. 2026-07-22 16:12 UTCVendor advisory
  11. 2026-07-22 16:12 UTCGHSA enrichment
  12. 2026-07-22 14:05 UTCEPSS rescore
  13. 2026-07-22 12:08 UTCVendor advisory
  14. 2026-07-22 12:08 UTCGHSA enrichment
  15. 2026-07-22 08:12 UTCVendor advisory
  16. 2026-07-22 08:12 UTCGHSA enrichment
  17. 2026-07-22 04:17 UTCVendor advisory
  18. 2026-07-22 04:17 UTCGHSA enrichment
  19. 2026-07-22 00:21 UTCVendor advisory
  20. 2026-07-22 00:21 UTCGHSA enrichment
  21. 2026-07-21 19:18 UTCVendor advisory
  22. 2026-07-21 19:18 UTCGHSA enrichment
  23. 2026-07-21 15:22 UTCVendor advisory
  24. 2026-07-21 15:22 UTCGHSA enrichment
  25. 2026-07-21 14:37 UTCCISA KEV update
Show 75 more
  1. 2026-07-21 11:26 UTCVendor advisory
  2. 2026-07-21 11:26 UTCGHSA enrichment
  3. 2026-07-21 07:28 UTCVendor advisory
  4. 2026-07-21 07:28 UTCGHSA enrichment
  5. 2026-07-21 03:32 UTCVendor advisory
  6. 2026-07-21 03:32 UTCGHSA enrichment
  7. 2026-07-20 23:36 UTCVendor advisory
  8. 2026-07-20 23:36 UTCGHSA enrichment
  9. 2026-07-20 19:41 UTCEG score recompute
  10. 2026-07-20 19:41 UTCVendor advisory
  11. 2026-07-20 19:41 UTCGHSA enrichment
  12. 2026-07-20 17:04 UTCEPSS rescore
  13. 2026-07-20 15:46 UTCGHSA enrichment
  14. 2026-07-20 11:51 UTCGHSA enrichment
  15. 2026-07-20 07:56 UTCVendor advisory
  16. 2026-07-20 07:56 UTCGHSA enrichment
  17. 2026-07-20 04:01 UTCVendor advisory
  18. 2026-07-20 04:01 UTCGHSA enrichment
  19. 2026-07-20 00:06 UTCVendor advisory
  20. 2026-07-20 00:06 UTCGHSA enrichment
  21. 2026-07-19 20:10 UTCVendor advisory
  22. 2026-07-19 20:10 UTCGHSA enrichment
  23. 2026-07-19 16:15 UTCVendor advisory
  24. 2026-07-19 16:15 UTCGHSA enrichment
  25. 2026-07-19 12:17 UTCVendor advisory
  26. 2026-07-19 12:16 UTCGHSA enrichment
  27. 2026-07-19 08:18 UTCVendor advisory
  28. 2026-07-19 08:18 UTCGHSA enrichment
  29. 2026-07-19 04:23 UTCVendor advisory
  30. 2026-07-19 04:23 UTCGHSA enrichment
  31. 2026-07-19 00:27 UTCGHSA enrichment
  32. 2026-07-18 20:32 UTCVendor advisory
  33. 2026-07-18 20:32 UTCGHSA enrichment
  34. 2026-07-18 16:37 UTCVendor advisory
  35. 2026-07-18 16:36 UTCGHSA enrichment
  36. 2026-07-18 12:41 UTCVendor advisory
  37. 2026-07-18 12:41 UTCGHSA enrichment
  38. 2026-07-18 08:46 UTCVendor advisory
  39. 2026-07-18 08:46 UTCGHSA enrichment
  40. 2026-07-18 04:50 UTCVendor advisory
  41. 2026-07-18 04:50 UTCGHSA enrichment
  42. 2026-07-18 00:54 UTCVendor advisory
  43. 2026-07-18 00:54 UTCGHSA enrichment
  44. 2026-07-17 20:59 UTCVendor advisory
  45. 2026-07-17 20:59 UTCGHSA enrichment
  46. 2026-07-17 17:04 UTCVendor advisory
  47. 2026-07-17 17:04 UTCGHSA enrichment
  48. 2026-07-17 13:09 UTCVendor advisory
  49. 2026-07-17 13:09 UTCGHSA enrichment
  50. 2026-07-17 09:14 UTCEG score recompute
  51. 2026-07-17 09:14 UTCVendor advisory
  52. 2026-07-17 09:14 UTCGHSA enrichment
  53. 2026-07-17 05:19 UTCVendor advisory
  54. 2026-07-17 05:19 UTCGHSA enrichment
  55. 2026-07-17 01:23 UTCVendor advisory
  56. 2026-07-17 01:23 UTCGHSA enrichment
  57. 2026-07-16 21:28 UTCVendor advisory
  58. 2026-07-16 21:28 UTCGHSA enrichment
  59. 2026-07-16 17:33 UTCVendor advisory
  60. 2026-07-16 17:33 UTCGHSA enrichment
  61. 2026-07-16 17:04 UTCCISA KEV update
  62. 2026-07-16 13:38 UTCVendor advisory
  63. 2026-07-16 13:38 UTCGHSA enrichment
  64. 2026-07-16 09:43 UTCVendor advisory
  65. 2026-07-16 09:43 UTCGHSA enrichment
  66. 2026-07-16 05:48 UTCVendor advisory
  67. 2026-07-16 05:48 UTCGHSA enrichment
  68. 2026-07-16 01:53 UTCVendor advisory
  69. 2026-07-16 01:53 UTCGHSA enrichment
  70. 2026-07-15 21:58 UTCVendor advisory
  71. 2026-07-15 21:58 UTCGHSA enrichment
  72. 2026-07-15 18:02 UTCVendor advisory
  73. 2026-07-15 18:01 UTCGHSA enrichment
  74. 2026-07-15 16:55 UTCEPSS rescore
  75. 2026-07-15 16:49 UTCCISA KEV update

Publicly available exploits

(3 references)

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

  • Exploit-DBEDB-49863
    First seen May 13, 2021

    Microsoft Internet Explorer 11 and WPAD service 'Jscript.dll' - Use-After-Free

    Open source ↗
  • Exploit-DBEDB-49062
    First seen Nov 17, 2020

    Microsoft Internet Explorer 11 - Use-After-Free

    Open source ↗
  • GitHub PoCmaxpl0it/CVE-2020-0674-Exploit
    First seen May 7, 2020

    This is an exploit for CVE-2020-0674 that runs on the x64 version of IE 8, 9, 10, and 11 on Windows 7.

    Open source ↗

Related CVEs(same vendor + same CWE)

Frequently asked(6)

What is CVE-2020-0674?
CVE-2020-0674 is a high vulnerability published on February 11, 2020. A remote code execution vulnerability exists in the way that the scripting engine handles objects in memory in Internet Explorer, aka 'Scripting Engine Memory Corruption Vulnerability'. This CVE ID is unique from CVE-2020-0673, CVE-2020-0710, CVE-2020-0711, CVE-2020-0712, CVE-2020-0713,…
When was CVE-2020-0674 disclosed?
CVE-2020-0674 was first published in the National Vulnerability Database on February 11, 2020, with the most recent update on October 29, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2020-0674 actively exploited?
Yes. CISA added CVE-2020-0674 to the Known Exploited Vulnerabilities catalog on November 3, 2021, affecting Microsoft Internet Explorer. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2020-0674?
CVE-2020-0674 has a CVSS v3 base score of 7.5 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
Which products are affected by CVE-2020-0674?
CVE-2020-0674 affects Microsoft Internet Explorer. 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-2020-0674?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-0674, 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.

Dependency Blast Radius

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