CVE-2026-41614
mediumpriority · track · 0EPSS 0.004 · 34 %ileDEEURUUSEPSS · scored 2026-10-23
Improper access control in M365 Copilot for Desktop allows an unauthorized attacker to perform spoofing locally.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
A vendor fix is available.
- FixedM365 Copilot for Desktopmsrc_csaf
19.2604.43111.0:Security Update:https://apps.microsoft.com/detail/9wzdncrd29v9?hl=en-us&gl=IE&ocid=pdpshare
https://apps.microsoft.com/detail/9wzdncrd29v9?hl=en-us&gl=IE&ocid=pdpshare
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (9)
Products and version ranges known to be affected.
- Microsoft 365 Copilot 365 Copilot's Business Chatall versionscert_bundDEcpe:/a:microsoft:365_copilot:365_copilots_business_chat
advisories (2)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2026-1484Microsoft Word für Android und 365 Copilot: Mehrere Schwachstellen ermöglichen Darstellen falscher InformationenDeutsch2026-05-12csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Microsoft Word für Android und Microsoft 365 Copilot ausnutzen, um falsche Informationen darzustellen.
- msrc_CVE-2026-41614M365 Copilot for Desktop Spoofing Vulnerability2026-05-12csaf · msrc_csafUS
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (4)
External citations — patches, advisories, analysis.
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