CVE-2020-0674

A remote code execution vulnerability exists in the way that the scripting engine handles objects...

7.5 HighIn KEVPublic exploit

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: High
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

86.9%Up 37.5 points since Apr 14, 2021

What each source reports

NVD Score used 7.5

Record: CVE-2020-0674
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0: 7.6 HighAV:N/AC:H/Au:N/C:C/I:C/A:C
Weakness: CWE-416
Updated: 2026-11-02

CVE List 7.5

Record: CVE-2020-0674
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness: CWE-416
Updated: 2026-11-02

EUVDEUVD-2020-2167 7.5

Record: EUVD-2020-2167
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-02

GitHub AdvisoriesGHSA-35jh-2r79-5r66 7.5

A remote code execution vulnerability exists in the way that the scripting engine handles objects...

Record: GHSA-35jh-2r79-5r66
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness: CWE-119, CWE-416
Updated: 2026-11-02

CISA KEV No score

Microsoft Internet Explorer Scripting Engine Memory Corruption Vulnerability

Microsoft Internet Explorer contains a memory corruption vulnerability due to the way the Scripting Engine handles objects in memory. Successful exploitation could allow remote code execution in the context of the current user.

Record: CVE-2020-0674
Weakness: CWE-416
Updated: 2026-11-02

Affected products

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
PoC in GitHub	maxpl0it/CVE-2020-0674-Exploit	2020-05-07
PoC in GitHub	Ken-Abruzzi/CVE-2020-0674	2020-09-30
Exploit-DB	Microsoft Internet Explorer 11 - Use-After-Free	2020-11-17
Exploit-DB	Microsoft Internet Explorer 11 and WPAD service 'Jscript.dll' - Use-After-Free	2021-05-13
PoC in GitHub	Neko-chanQwQ/CVE-2020-0674-PoC	2021-07-03
PoC in GitHub	Micky-Thongam/Internet-Explorer-UAF	2023-12-10

History

History
Recorded	Changed	Sources
Nov 3, 2026	exploitation, exploits
Nov 2, 2026	first indexed	CVE List, EUVD, Exploit-DB, GitHub Advisories, CISA KEV, NVD, PoC in GitHub

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-0674 is a high vulnerability (CVSS 7.5) in Microsoft Internet Explorer, published February 11, 2020. CISA lists it as known to be exploited, since November 3, 2021. EUVD reports exploitation since November 3, 2021. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 86.9%, the 99th percentile. No source names a fixed version.