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Vulnerabilities

Vulnerability · CVE-2026-24301

Improper neutralization of special elements used in a command ('command injection') in Microsoft Copilot allows an unauthorized attacker to disclose information over a network.

Published Aug 18, 2026 · catalog updated Oct 22, 2026 · Improper neutralization of special

Last checked Oct 25, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2026-24301. EPSS is 1.11%. Act only if a listed version of Improper neutralization of special is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (Improper neutralization of special).
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
High7.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
1.11%
Remediation
Advisory link
Affected products
cpe microsoft/copilot

Improper neutralization of special elements used in a command ('command injection') in Microsoft Copilot allows an unauthorized attacker to disclose information over a network.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe microsoft/copilotversion unspecified

How to fix CVE-2026-24301

  • No stored fix

    No vendor fix text is stored. Use the linked advisory before you change production.

  • Version check

    No version range is stored, so an installed version cannot be checked on this page.

  • Advisory

    Open the cve_org record and follow its fix.

  • Official advisories

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-24301. EPSS is 1.11%. Act only if a listed version of Improper neutralization of special is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-77: Command Injection. EPSS 1.11%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Aug 18, 2026 · NIST NVD

    Detected

    Improper neutralization of special elements used in a command ('command injection') in Microsoft Copilot allows an unauthorized attacker to disclose information over a network.

  2. Oct 22, 2026 · NIST NVD

    Updated

    Improper neutralization of special elements used in a command ('command injection') in Microsoft Copilot allows an unauthorized attacker to disclose information over a network.

Sources

  • CVE.orgVulnerability recordCVE-2026-24301

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-24301

    30-day exploitation probability 1.11%

    first.org
  • NIST NVDVulnerability recordCVE-2026-24301

    Improper neutralization of special elements used in a command ('command injection') in Microsoft Copilot allows an unauthorized attacker to disclose information over a network.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 25, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSOct 25, 2026
  • CVE.orgOct 23, 2026
  • NIST NVDOct 23, 2026