A remote code execution vulnerability exists when the Windows Jet Database Engine improperly handles objects in memory. An attacker who successfully exploited this vulnerability could execute arbitrary code on a victim system. An attacker could exploit this vulnerability by enticing a victim to open a specially crafted file. The update addresses the vulnerability by correcting the way the Windows Jet Database Engine handles objects in memory.
CVE-2020-1074
Score elevated to 8.1 because EPSS predicts 46% probability of exploitation within the next 30 days (98th percentile of EPSS-scored CVEs). NVD baseline CVSS 7.8 retained for reference. Confidence: see factors.
- High severity, but no confirmed exploitation yet
A fix is available — apply it.
- CVSS v3
- 7.8
- EG Score
- 8.1HIGHhigh confidence
- EG Risk
- 59EG Risk 59/100CISA SSVC
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 computedSeverity81% × 45%Exploitation46% × 40%Automatability30% × 15%CISA SSVC: Track at low or medium mission impact; Track* or Attend at high (mission-essential systems).Action: A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high. - EPSS PROB
- 46%
- EPSS %ILE
- 98th
- KEV
- Not listed
CISA SSVCTrack at low or medium mission impact; Track* or Attend at high (mission-essential systems).
A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.
Exploitation public PoC (EG-KEV: elevated) · Automatable unknown (not published for this CVE) · Technical impact partial (CVSS below 9.0). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table
Published
September 11, 2020
Last Modified
February 23, 2026
Advisory Details (1)
Auto-updated Oct 2, 2026Security 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-2020-1074Vendor Advisories for CVE-2020-1074(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Data Freshness Timeline
(refreshed 3× in last 7d / 23× 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 120 total refreshes for this CVE.
- 2026-10-02 16:22 UTCEPSS rescore
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- 2026-07-23 01:48 UTCEG score recompute▲ 0.50
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Frequently asked(5)
What is CVE-2020-1074?
When was CVE-2020-1074 disclosed?
Is CVE-2020-1074 actively exploited?
What is the CVSS score of CVE-2020-1074?
How do I remediate CVE-2020-1074?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2020-1074
Is Your Infrastructure Affected by CVE-2020-1074?
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