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PatchSiren cyber security CVE debrief

CVE-2026-24301 Microsoft CVE debrief

Microsoft Copilot is vulnerable to command injection, allowing unauthorized attackers to disclose information over a network. The CVE record was published on 2026-08-18T14:17:01.897Z and was last modified on 2026-09-10T18:26:54.557Z. The NVD entry is currently Analyzed. Defenders responsible for Microsoft Copilot configurations and security should assess potential exposure and prioritize verification and remediation. The vulnerability has a CVSS score of 8.8 and is classified as HIGH severity.

Vendor
Microsoft
Product
Copilot
CVSS
HIGH 8.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-08-18
Original CVE updated
2026-09-10
Advisory published
2026-08-18
Advisory updated
2026-09-10

Who should care

Defenders responsible for Microsoft Copilot configurations and security should assess potential exposure and prioritize verification and remediation.

Why it matters

Defenders should prioritize verifying exposure of Microsoft Copilot to unauthorized command injection and assess potential information disclosure due to the high severity of the vulnerability.

  • Potential information disclosure due to command injection
  • Need to verify exposure of Microsoft Copilot to unauthorized access
  • Potential impact on confidentiality and integrity

Technical summary

Microsoft Copilot is vulnerable to command injection, allowing unauthorized attackers to disclose information over a network. The vulnerability has a CVSS score of 8.8 and is classified as HIGH severity. Defenders should prioritize verifying exposure of Microsoft Copilot to unauthorized command injection and assess potential information disclosure. The vulnerability affects Microsoft Copilot, and defenders should review and update configurations to prevent unauthorized access.

Defensive priority

Defenders should prioritize verifying exposure of Microsoft Copilot to unauthorized command injection and assess potential information disclosure.

Recommended defensive actions

  • Verify exposure of Microsoft Copilot to unauthorized command injection
  • Assess potential information disclosure
  • Review and update Microsoft Copilot configurations to prevent unauthorized access

Evidence notes

The CVE record and NVD detail page provide information about the vulnerability, but do not specify versions, exploitation, impact, or remediation. The information provided is based on the official CVE Program record and the NIST NVD detail page. However, additional verification is required to confirm affected product deployments and assess potential exposure.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-24301 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-24301

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-24301 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-24301

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.