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High CVSS 8.8

CVE-2026-24301

NVD analysis in progress

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

What this means

Exposure
Exploitable remotely over the network and without authentication — but only if a user opens booby-trapped content.
Impact
An attacker can read sensitive data, modify or destroy data and take the service offline.
Weakness
Unfiltered input is concatenated into a command, letting the attacker append their own.
Likelihood
Its EPSS score puts short-term exploitation in a middle band: neither negligible nor imminent.

What to doFold into the next patch cycle.

Read automatically from the CVSS vector, the weakness type (CWE) and the EPSS score. The technical description above remains the one published by NIST.

Published
18 August 2026
CVSS
8.8 (v3.1) CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
2.22% probability of exploitation within 30 days · above 81% of all CVEs
Weakness
CWE-77
Sources
nvd
References

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