# CVE-2025-32711 — Microsoft 365 Copilot

> As of 2026-02-26, CVE-2025-32711 is a CRITICAL-severity vulnerability in Microsoft 365 Copilot, CVSS v3.1 9.3, EPSS 8.0% (94.5th percentile). Threadlinqs Intelligence links 2 tracked threat campaigns to CVE-2025-32711, most recently “AI-Powered Cyber Attacks: Emerging TTPs Across Phishing, Deepfake BEC, Polymorphic Malware, and Prompt Injection”.

**Last updated:** 2026-02-26

## What is CVE-2025-32711?

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

The record classifies CVE-2025-32711 under weakness class [CWE-74](https://cwe.mitre.org/data/definitions/74.html). Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs no user interaction, and has high impact on confidentiality. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 476 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 9.3 — CRITICAL (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N/E:U/RL:O/RC:C`)
- **EPSS (FIRST):** 8.0% probability of exploitation in the next 30 days, higher than 94.5% of all scored CVEs
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 10/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2025-06-11, last modified 2026-02-26

## Is CVE-2025-32711 being exploited?

Weaponised exploit code for CVE-2025-32711 is publicly available. 5 public proof-of-concept repositories are tracked for this identifier.

- [vikasudasi/exfil-scan](https://github.com/vikasudasi/exfil-scan) (github)
- [daryllundy/cve-2025-32711](https://github.com/daryllundy/cve-2025-32711) (github)
- [TreRB/markdown-exfil-tester](https://github.com/TreRB/markdown-exfil-tester) (github)
- [Danielossai12/aisecplus-week01-danielossai](https://github.com/Danielossai12/aisecplus-week01-danielossai) (github)
- [trickest/cve](https://github.com/trickest/cve/blob/main/2025/CVE-2025-32711.md) (trickest)

## Affected products and versions

- **Microsoft**: 365 Copilot

## How to fix CVE-2025-32711

Vendor advisory: [https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-32711](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-32711). Apply the vendor fix referenced above to every affected product listed in this record, then confirm the running version against the vendor advisory.

## Threat activity tracking CVE-2025-32711

2 tracked threats in the Threadlinqs corpus reference CVE-2025-32711, either in the campaign’s CVE list or as an indicator on the campaign record.

- [AI-Powered Cyber Attacks: Emerging TTPs Across Phishing, Deepfake BEC, Polymorphic Malware, and Prompt Injection](https://intel.threadlinqs.com/threat/TL-2026-2668) — MEDIUM · 2026-09-26
- [OWASP GenAI LLM Top 10 2026 — Community-Driven Security Guidance for AI Applications](https://intel.threadlinqs.com/threat/TL-2026-1913) — MEDIUM · 2026-08-06

## Sources

Enriched from CVE.org, NVD, FIRST EPSS, GitHub Security Advisories, public proof-of-concept repositories. Last verified by Threadlinqs on 2026-09-29. This product uses the NVD API but is not endorsed or certified by the NVD.

**Vendor advisory and patch**

- [msrc.microsoft.com — vendor advisory](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-32711)

Canonical: https://intel.threadlinqs.com/cve/CVE-2025-32711
Full detection coverage and IOCs for threats exploiting CVE-2025-32711 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp