CVE-2021-27060

Code execution after user interaction

Published Mar 11, 2021 · Updated Aug 19, 2026

Remote code execution in Microsoft Visual Studio Code allows attackers to execute code after a user interacts with the attack mechanism. Microsoft has not published the affected component, the untrusted input involved, or the operation that mishandles it. Successful exploitation requires local access to the attack path and user interaction, and it can compromise confidentiality, integrity, and availability.

CVSS severity7.8
High
EPSS probability3.16%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Remote code execution in Microsoft Visual Studio Code allows attackers to execute code after a user interacts with the attack mechanism. Microsoft has not published the affected component, the untrusted input involved, or the operation that mishandles it. Successful exploitation requires local access to the attack path and user interaction, and it can compromise confidentiality, integrity, and availability.

The record

CVE
CVE-2021-27060
Published
Mar 11, 2021
Updated
Aug 19, 2026
Vendor
Microsoft
Product
Visual Studio Code
Classifications
T1204
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 11, 2021CVE publishedPublication date reported by the CVE source.
  2. Aug 19, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=1.0.0 <publication

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Microsoft · Visual Studio Codeversion=1.0.0 <publication

Published CVSS scores

6.8NIST NVDAV:N/AC:M/Au:N/C:P/I:P/A:P
7.8Microsoft CorporationCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1204User Execution

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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