CVE-2020-0683

CRITICALNVD 7.89.0▲
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 7.8 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: 8%CVSS: 7.8Exploit: cisa kev · ssvc active · public exploitExposed: 0

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

An elevation of privilege vulnerability exists in the Windows Installer when MSI packages process symbolic links, aka 'Windows Installer Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2020-0686.

CVSS v3
7.8
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
8%
EPSS %ILE
94%
KEV
⚠ Exploited

Published

February 11, 2020

Last Modified

October 29, 2025

Advisory Details (2)

Auto-updated Jun 3, 2026
⚠️ Active exploitation confirmed. Patch available. Sources: microsoft, 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-2020-0683
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-2020-0683

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 64× in last 7d / 375× 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 759 total refreshes for this CVE.

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

Publicly available exploits

(2 references)

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

  • Exploit-DBEDB-48079
    First seen Feb 17, 2020

    MSI Packages Symbolic Links Processing - Windows 10 Privilege Escalation

    Open source ↗
  • GitHub PoCpadovah4ck/CVE-2020-0683
    First seen Feb 11, 2020

    CVE-2020-0683 - Windows MSI “Installer service” Elevation of Privilege

    Open source ↗

Related CVEs(same vendor + same CWE)

Frequently asked(6)

What is CVE-2020-0683?
CVE-2020-0683 is a critical vulnerability published on February 11, 2020. An elevation of privilege vulnerability exists in the Windows Installer when MSI packages process symbolic links, aka 'Windows Installer Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2020-0686.
When was CVE-2020-0683 disclosed?
CVE-2020-0683 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-2020-0683 actively exploited?
Yes. CISA added CVE-2020-0683 to the Known Exploited Vulnerabilities catalog on November 3, 2021, affecting Microsoft Windows. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2020-0683?
CVE-2020-0683 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-2020-0683?
CVE-2020-0683 affects Microsoft Windows. 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-2020-0683?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-0683, 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

Explore the affected products and dependency analysis for CVE-2020-0683

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