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CVE-2026-50517

critical · 9.9

Deserialization of untrusted data in M365 Copilot allows an authorized attacker to execute code over a network.

9.9
CVSS
1.3%
EPSS (exploit prob.)
68th
EPSS percentile
2026-07-24
Published

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Weaknesses

CWE-502

Affected products

VendorProductAffected versions
microsoft365_copilotall versions

Check a specific version with /api/v1/cve/match.

References

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-50517