CVE detail
CVE-2026-21518
Improper neutralization of special elements used in a command ('command injection') in GitHub Copilot and Visual Studio Code allows an unauthorized attacker to bypass a security feature over a network.
Buzz score
Why this CVE is surfacing
This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.
Buzz score components · mention 11.0 · diversity 10.0 · KEV 0.0 · OTX 0.0 · PoC 0.0
Why it matters now
Mention timeline
- Total mentions
- 0
- within the 30d window
- Peak daily
- 0
- highest bucket
Evidence
Source links by recency
2 source links · newest first
- The February 2026 Security Update ReviewZero Day Initiative
ake a closer look at some of the more interesting updates for this month, starting with the bugs under active attack: - CVE-2026-21510 - Windows Shell Security Feature Bypass Vulnerability This bug is listed as a security feature bypass, but it could also be classified as code execution. An attacker can bypass Windows SmartScreen and Windows Shell secu
vendorwww.thezdi.comFeb 10, 2026, 6:30 PM - https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21518msrc.microsoft.com
No excerpt available.
Vendor Advisorymsrc.microsoft.comFeb 10, 2026, 6:16 PM
Exploit code
Public exploit repository references
Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.
0 repository references · best confidence N/A · max 0 stars
Related records
Similar CVEs
6 related CVEs with shared weakness or product evidence
- CVE-2026-50520CVSS 8.4 · High
Improper neutralization of special elements used in a command ('command injection') in Visual Studio Code allows an unauthorized attacker to execute code locally.
- CVE-2026-41611CVSS 7.8 · High
Improper neutralization of script-related html tags in a web page (basic xss) in Visual Studio Code allows an unauthorized attacker to execute code locally.
- CVE-2025-55319CVSS 8.8 · High
Ai command injection in Agentic AI and Visual Studio Code allows an unauthorized attacker to execute code over a network.
- CVE-2024-43601CVSS 7.8 · High
Visual Studio Code for Linux Remote Code Execution Vulnerability
- CVE-2026-19047CVSS 1.9 · Low
A vulnerability was detected in NocteDefensor LudusMCP up to 1.0.24. This affects the function executeArbitraryCommand/executeCommand of the file src/ludusMCP/cliWrapper.ts of the…
- CVE-2026-19045CVSS 1.9 · Low
A weakness has been identified in NocteDefensor LudusMCP up to 1.0.24. The affected element is the function SecretDialog.showSecretDialog of the file src/utils/secretDialog.ts of…