Description
Improper neutralization of special elements used in a command ('command injection') in Microsoft Copilot allows an unauthorized attacker to disclose information over a network.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Microsoft | Copilot Web | - | — |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 1 repository
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CSOAI-ORG/memory-poisoning-axis ★ 0 · Aug 20, 2026
🧪 Measures memory-poisoning / prompt-injection deterministically — anchored to CVE-2026-24301 (CoSnitch), Inspect scorer, signed receipts. Measurement, not certification.
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 2
- MSRC-CVE-2026-24301 Microsoft Copilot Information Disclosure Vulnerability Microsoft Security Response Center · Aug 25, 2026
- WID-SEC-2026-2914 Microsoft 365 Copilot: Schwachstelle ermöglicht Offenlegung von Informationen BSI CERT-Bund (WID) · Aug 18, 2026
References
- Microsoft Copilot Information Disclosure Vulnerability vendor-advisory patch