CVE-2026-21257

CWE-77 — Command Injection5 documents5 sources
Severity
8.0HIGH
EPSS
0.0%
top 87.75%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Microsoft Microsoft Visual Studio 2022 Version 17.14Microsoft Microsoft Visual Studio 2026 Version 18.3Microsoft Visual Studio 2022
Timeline
PublishedFeb 10

Description

Improper neutralization of special elements used in a command ('command injection') in GitHub Copilot and Visual Studio allows an authorized attacker to elevate privileges over a network.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:HExploitability: 2.1 | Impact: 5.9

Affected Packages3 packages

▶NVDmicrosoft/visual_studio_202217.14.0 — 17.14.26

🔴Vulnerability Details

2
GHSA
GHSA-g435-352v-fpxp: Improper neutralization of special elements used in a command ('command injection') in GitHub Copilot and Visual Studio allows an authorized attacker↗2026-02-10
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CVEList
GitHub Copilot and Visual Studio Elevation of Privilege Vulnerability↗2026-02-10
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📋Vendor Advisories

1
Microsoft
GitHub Copilot and Visual Studio Elevation of Privilege Vulnerability↗2026-02-10
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🕵️Threat Intelligence

1
Wiz
CVE-2026-21257 Impact, Exploitability, and Mitigation Steps | Wiz↗
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