CVE-2026-24301
CVE-2026-24301 is a high-severity vulnerability in Microsoft Copilot with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-77.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- EPSS exploit prediction: 3% (85th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-77
- Affected product: Microsoft Copilot
- Published:
- Last modified:
Description
Improper neutralization of special elements used in a command ('command injection') in Microsoft Copilot allows an unauthorized attacker to disclose information over a network.
Frequently asked questions
- What is 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.
- How severe is CVE-2026-24301?
- CVE-2026-24301 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2026-24301 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-24301?
- CVE-2026-24301 affects Microsoft Copilot. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-24301?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2026-24301 published?
- CVE-2026-24301 was published on 2026-08-18 and last updated on 2026-09-10.
References
Affected products (1)
- cpe:2.3:a:microsoft:copilot:-:*:*:*:*:*:*:*
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