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Microsoft 365 Copilot β€” Security Intelligence & Vulnerability Profile


ParameterTechnical Specification
Official NameMicrosoft 365 Copilot
Vendor / Projectmicrosoft
Canonical IDmicrosoft:m365_copilot
Versioning Schemegeneric
CPE Identifierscpe:2.3:a:microsoft:365_copilot:*:*:*:*:*:*:*:*
Overall PostureHIGH
Recommended Safe Release2026.03.1

Documented CVEs

2 vulnerabilities cataloged in the Hermes intelligence repository.

CISA KEV Entries

0 flaws with confirmed active in-the-wild exploitation.

Weaponized Exploits

2 vulnerabilities with publicly available PoCs or weaponized exploit tooling.

Remediation Target

Recommended upgrade to 2026.03.1 to neutralize known flaws.


Progression of Hermes Threat Score (HTS) posture and maximum EPSS probability over the last 30 days:

Current HTS Score

0 / 100

= Stable over 30d

Max EPSS (Exploitation)

8.0 %

β–² +8.0 % over 30d

CISA KEV Activity

0

No active KEV

HTS Trend Curve (D-30 β†’ Today)2026-08-12 β†’ 2026-09-10
2026-09-10: CVE: CVE-2026-24307

3. Vulnerability History & Version Applicability Matrix

Section titled β€œ3. Vulnerability History & Version Applicability Matrix”
CVECVSS ScoreEPSS ProbabilityCISA KEVAffected VersionsFixed InHermes Analysis
CVE-2025-327118.5 (HIGH)8.0%No< v2025.10.12025.10.1Analysis β†’
CVE-2026-243078.2 (HIGH)0.9%No< v2026.03.12026.03.1Analysis β†’

Are you operating Microsoft 365 Copilot in your infrastructure? Inspect your running build to evaluate applicability, confidence score, and security deltas: