What is CVE-2020-0674?
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.
The record classifies CVE-2020-0674 under weakness class CWE-416. Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs a user to take an action first, and has high impact on confidentiality, integrity, availability. 10 affected-product entries are recorded, across 1 vendor, listed below. The identifier was first published 2461 days ago.
Severity and exploitation probability
- CVSS v3.1 base score
- 7.5 — HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H - EPSS (FIRST)
- 86.8% probability of exploitation in the next 30 days, higher than 99.7% of all scored CVEs
- CISA KEV
- Listed since 2021-11-03, federal remediation deadline 2022-05-03
- Threadlinqs priority
- 9/10 — CISA KEV-listed, which Threadlinqs floors at 9
- Published
- 2020-02-11, last modified 2025-10-21
Is CVE-2020-0674 being exploited?
CISA added CVE-2020-0674 to the Known Exploited Vulnerabilities catalog on 2021-11-03, which means the agency holds evidence of exploitation in the wild; US federal civilian agencies had to remediate it by 2022-05-03 under BOD 22-01. Weaponised exploit code for CVE-2020-0674 is publicly available. 5 public proof-of-concept repositories are tracked for this identifier. It currently carries a trending score of 48 in the Threadlinqs vulnerability feed.
- maxpl0it/CVE-2020-0674-Exploit (github)
- Neko-chanQwQ/CVE-2020-0674-PoC (github)
- Ken-Abruzzi/CVE-2020-0674 (github)
- Micky-Thongam/Internet-Explorer-UAF (github)
- trickest/cve (trickest)
Affected products and versions
- Microsoft: Internet Explorer 10, Internet Explorer 11, Internet Explorer 11 on Windows 10 Version 1909 for 32-bit Systems, Internet Explorer 11 on Windows 10 Version 1909 for x64-based Systems, Internet Explorer 11 on Windows 10 Version 1909 for ARM64-based Systems, Internet Explorer 11 on Windows 10 Version 1903 for 32-bit Systems, Internet Explorer 11 on Windows 10 Version 1903 for x64-based Systems, Internet Explorer 11 on Windows 10 Version 1903 for ARM64-based Systems, Internet Explorer 11 on Windows Server 2012, Internet Explorer 9
How to fix CVE-2020-0674
The record marks a vendor fix as available for CVE-2020-0674. Patch reference: https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0674. Because CVE-2020-0674 is KEV-listed, US federal civilian agencies were required to apply the vendor fix, or stop using the product, by 2022-05-03. Apply the vendor fix referenced above to every affected product listed in this record, then confirm the running version against the vendor advisory.
Threat activity tracking CVE-2020-0674
1 tracked threat in the Threadlinqs corpus references CVE-2020-0674, either in the campaign’s CVE list or as an indicator on the campaign record.
Sources
Enriched from CVE.org, NVD, FIRST EPSS, CISA KEV, GitHub Security Advisories, public proof-of-concept repositories. Last verified by Threadlinqs on . This product uses the NVD API but is not endorsed or certified by the NVD.