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MicrosoftCVE-2026-41106

Microsoft 365 Copilot: open redirect

Critical9.3CVE-2026-41106 · Published Jul 2, 2026 · updated Jul 7, 2026

Url redirection to untrusted site ('open redirect') in M365 Copilot allows an unauthorized attacker to elevate privileges over a network.

Microsoft advisory

Affected versions

PackageAffectedFixed in
Microsoft 365 Copilot
Product
all versionsNo fix yet
Details and references
CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
Severity from
the vendor (its own CVE record or advisory)
Weakness
CWE-601

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