Deserialization of untrusted data in M365 Copilot allows an authorized attacker to execute code over a network.
Deserialization of untrusted data in M365 Copilot allows an authorized attacker to execute code over a network.
Read at NIST National Vulnerability Database (CVE API 2.0)
- CVSS
- 9.9
Why it ranks 24 (Routine)
- CVSS 9.9 critical
- Covered by 2 independent sources
- Recency: items published within 24 hours gain 15, within 72 hours 6, within 7 days 2.
Links
- NIST National Vulnerability Database (CVE API 2.0) (nvd.nist.gov)
- CVE-2026-50517 on this site · NVD · CVE.org · Vulnpedia
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