Visual Studio Code Remote Code Execution Vulnerability

published 2021-12-15 4y ago modified 2026-10-08 last mo. also EUVD-2021-30753

cvss: 7.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 11.7%; EPSS 11.7% chance of exploitation in 30 days, percentile 96%
public exploits: 0; none known

Patch / fix

fixed in 1 distros 1 links 1

Microsoft Visual Studio Code 1.63.1

code Arch Linux 1.63.0-1

arch linux advisories AVG-2542

portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-43891 advisory

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CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: last mo. (2026-10-08)

Exploit prediction

11.73% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CNA	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD	2.0	6.8	AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected products

Microsoft Visual Studio Code

References

portal.msrc.microsoft.com /en-US/security-guidance/advisory/CVE-2021-43891
patch, vendor-advisory

Sources

CVE List CVE-2021-43891
NVD CVE-2021-43891

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