CVE-2020-0674

CRITICALNVD 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
9.0EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 87%CVSS: 7.5Exploit: cisa kev · ssvc active · epss top5pct · epss high · public exploitExposed: 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 PROB
87%
EPSS %ILE
100%
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 89× in last 7d / 324× 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 1,001 total refreshes for this CVE.

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

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 critical 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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