CVE-2026-33111 Copilot Chat (Microsoft Edge) Information Disclosure Vulnerability
An attacker can exploit command injection in Microsoft Edge Copilot Chat to disclose sensitive information over the network.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-33111?
CVE-2026-33111 is a high-severity command injection vulnerability in Copilot Chat (Microsoft Edge), published on 7 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Improper neutralization of special elements used in a command ('command injection') in Copilot Chat (Microsoft Edge) allows an unauthorized attacker to disclose information over a network.
Weakness: CWE-77
Which versions are affected by CVE-2026-33111?
It affects 1 product.
Products include Microsoft Copilot Chat.
How do I fix CVE-2026-33111?
No fix has been published for CVE-2026-33111 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2026-33111 being exploited?
There is no known exploitation of CVE-2026-33111 in the wild and no public exploit code.
Other vulnerabilities in Copilot Chat (Microsoft Edge)
Sources
Also known as GHSA-gfjx-9vr9-m736.