CVE-2026-48561: Microsoft Microsoft Edge Copilot for Android

Microsoft Edge Copilot Remote Code Execution Vulnerability

CVSS 9.6 CriticalCriticalEPSS 0.0086 · 59th percentile

Critical, because:

CVSS score 9.6: 9.0 or more.

Published by the CVE Program (CNA: microsoft) at 14 Jul 2026, 17:04 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Microsoft	Microsoft Edge Copilot for Android	affected 1.0.0 to before publication custom
Microsoft	Microsoft Edge Copilot for IOS	affected 1.0.0 to before publication custom

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

Microsoft Edge Copilot for Android and Microsoft Edge Copilot for IOS, from version 1.0.0 before the publication date, contain a command injection flaw in Copilot Chat. An unauthorized attacker can exploit it over a network to execute code. The source does not list a fixed version or a workaround.

Written 13 Nov 2026.

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
9.6	Critical	3.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C	CNA (microsoft)

CISA KEV Not listed.
EPSS 0.0086, the 59th percentile, on 14 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

14 Jul 2026, 17:04 UTC Confirmed by the CVE List

Sources

References from the CNA

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-48561 vendor-advisorypatch

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.