Skip to main content
cvebuzz

CVE mentions, exploit signals, and PoC evidence in one fast public view.

CVE detail

CVE-2026-21516

Improper neutralization of special elements used in a command ('command injection') in Github Copilot allows an unauthorized attacker to execute code over a network.

CVSS 8.8 · HighBuzz score 21.0

Buzz score

Why this CVE is surfacing

Buzz score total 21.0

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
Mention score
11.0
2 evidence mentions in the snapshot
Diversity score
10.0
2 sources across 2 categories
KEV score
0.0
No KEV entry observed
OTX score
0.0
0 OTX pulses
PoC score
0.0
0 repos · best confidence N/A
Best PoC traction
0
Maximum stars on a matched PoC repo

Why it matters now

Mention timeline

Total mentions
0
within the 30d window
Peak daily
0
highest bucket

Evidence

Source links by recency

Newest mentions first
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-2026-21516msrc.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
No public PoC repositories have been matched yet.

Related records

Similar CVEs

6 related CVEs with shared weakness or product evidence
  • CVE-2025-64671

    Improper neutralization of special elements used in a command ('command injection') in Copilot allows an unauthorized attacker to execute code locally.

    CVSS 8.4 · High
    3 mentions
  • CVE-2026-7849

    Due to improper neutralization of special elements, an unauthenticated remote attacker is able to inject a command into the system configuration which is subsequently executed as…

    CVSS 9.3 · Critical
    1 mention
  • CVE-2026-54680

    Logging operator automates the deployment and configuration of Kubernetes logging pipelines. Prior to 6.6.0, the Fluentd configuration renderer FluentRender in pkg/sdk/logging/mod…

    CVSS 9.9 · Critical
    3 mentions
  • CVE-2026-16763

    A vulnerability was identified in localstack serverless-localstack up to 1.4.0. The affected element is an unknown function of the file src/index.js of the component Configuration…

    CVSS 1.9 · Low
    6 mentions
  • CVE-2024-58354

    cal.com (calcom repository, later renamed cal.diy) is affected by a repository takeover vulnerability in its GitHub Actions workflows. The workflow pr.yml uses the pull_request_ta…

    CVSS 8.5 · High
    3 mentions
  • CVE-2026-47670

    DbGate is cross-platform database manager. Versions 7.1.8 and prior are vulnerable to authenticated Remote Code Execution (RCE). Any user with valid DbGate credentials can execute…

    CVSS 9.4 · Critical
    Public PoC observed2 mentions