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CVE-2021-27083

58
FAUCET Score

CVE-2021-27083 is a Remote Code Execution vulnerability affecting the Microsoft Remote Development Extension for Visual Studio Code. With a CVSS score of 7.8 (HIGH), this vulnerability has a local attack vector requiring user interaction, but could lead to high confidentiality, integrity, and availability impacts. While it is not known to be actively exploited and no public exploit code is available, it received limited community discussion and media coverage during its disclosure.

Impacted Technologies

VendorProductVersion(s)CPE
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:microsoft:remote_development:-:*:*:*:*:visual_studio_code:*:*

CVSS Data

CVSS version used by this source: 3.1

7.8HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
63.45%
Probability of exploitation in next 30 days
EPSS Percentile
99.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.6345 is in the 99th percentile among its peer group of 11,617 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

microsoftpatch availablevia nvd_reference
View patch
microsoftpatch availablevia msrc
Product: Visual Studio Code Remote - Containers ExtensionFixed in: 1.5.4
View patch

Vendor Advisories (1)

microsoft2021-Mar/CVE-2021-27083Important

Remote Development Extension for Visual Studio Code Remote Code Execution Vulnerability

Mar 9, 2021

References

portal.msrc.microsoft.com / en-US/security-guidance/advisory/CVE-2021-27083
PatchVendor Advisory