What is CVE-2025-32711?

CVE-2025-32711 is a critical-severity vulnerability in Microsoft 365 Copilot, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 9.3/10. Published 2025-06-11.

How severe is CVE-2025-32711?

Critical severity. CVSS v3 base score is 9.3 out of 10.

Is CVE-2025-32711 known to be exploited?

11 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Microsoft 365 Copilot

CVE-2025-32711

Ai command injection in M365 Copilot allows an unauthorized attacker to disclose information over a network.

Published 2025-06-11 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.3 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N.

EPSS exploit prediction

EPSS: 0.080 (94.7th percentile), scored 2026-10-19.

Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 94.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.080 · newest: 0.080 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-74 — Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection)

Public proof-of-concept exploits

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2025-32711 (vendor-advisory, patch, Vendor Advisory)
af854a3a-2127-422b-91ae-364da2661108

Frequently asked questions

What is CVE-2025-32711?: CVE-2025-32711 is a critical-severity vulnerability in Microsoft 365 Copilot, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 9.3/10. Published 2025-06-11.
How severe is CVE-2025-32711?: Critical severity. CVSS v3 base score is 9.3 out of 10.
Is CVE-2025-32711 known to be exploited?: 11 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.