CVE-2026-48561
criticalpriority · track · 0EPSS 0.009 · 58 %ileDEEUUSEPSS · scored 2026-10-27
Improper neutralization of special elements used in a command ('command injection') in Copilot Chat (Microsoft Edge) allows an unauthorized attacker to execute code over a network.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 8.8–9.6
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (10)
Products and version ranges known to be affected.
- Microsoft 365 Copilot 365 Copilot's Business Chatall versionscert_bundDEcpe:/a:microsoft:365_copilot:-
- Microsoft GitHub Copilot Plugin for JetBrains IDEsall versionscert_bundDEcpe:/a:microsoft:github_copilot:plugin_for_jetbrains_ides
- Microsoft Windows Terminal for Windows 10all versionscert_bundDEcpe:/a:microsoft:windows_terminal:for_windows_10
- Microsoft Windows Terminal for Windows 11all versionscert_bundDEcpe:/a:microsoft:windows_terminal:for_windows_11
advisories (1)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2026-2320Microsoft Windows Terminal, 365 Copilot, Github Copilot: Mehrere SchwachstellenDeutsch2026-07-14csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Microsoft Windows Terminal, 365 Copilot und Github Copilotausnutzen, um beliebigen Programmcode auszuführen, um falsche Informationen darzustellen und um seine Privilegien zu erhöhen.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (3)
External citations — patches, advisories, analysis.
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