CVE-2026-41614
CVE-2026-41614 is a medium-severity vulnerability in Microsoft 365 Copilot with a CVSS 3.x base score of 6.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-284.
Key facts
- Severity: Medium (CVSS 3.x base score 6.2)
- EPSS exploit prediction: 0% (28th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-29697
- Weakness: CWE-284
- Affected product: Microsoft 365 Copilot
- Published:
- Last modified:
Description
Improper access control in M365 Copilot for Desktop allows an unauthorized attacker to perform spoofing locally.
Frequently asked questions
- What is CVE-2026-41614?
- Improper access control in M365 Copilot for Desktop allows an unauthorized attacker to perform spoofing locally.
- How severe is CVE-2026-41614?
- CVE-2026-41614 has a CVSS 3.x base score of 6.2, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2026-41614 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-41614?
- CVE-2026-41614 affects Microsoft 365 Copilot. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-41614?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-41614 have an EU (EUVD) identifier?
- Yes. CVE-2026-41614 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-29697.
- When was CVE-2026-41614 published?
- CVE-2026-41614 was published on 2026-05-12 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:microsoft:365_copilot:*:*:*:*:*:windows:*:*
More vulnerabilities in Microsoft 365 Copilot
- CVE-2026-54130 — Critical (CVSS 9.8): Missing authentication for critical function in M365 Copilot allows an unauthorized attacker to disclose information…
- CVE-2025-60724 — Critical (CVSS 9.8): Heap-based buffer overflow in Microsoft Graphics Component allows an unauthorized attacker to execute code over a…
- CVE-2025-53766 — Critical (CVSS 9.8): Heap-based buffer overflow in Windows GDI+ allows an unauthorized attacker to execute code over a network.
- CVE-2021-43905 — Critical (CVSS 9.6): Microsoft Office app Remote Code Execution Vulnerability
- CVE-2026-41106 — Critical (CVSS 9.3): Url redirection to untrusted site ('open redirect') in M365 Copilot allows an unauthorized attacker to elevate…
- CVE-2026-41090 — Critical (CVSS 9.3): Improper neutralization of special elements used in a command ('command injection') in Microsoft Copilot allows an…
All CVEs affecting Microsoft 365 Copilot →
Other CWE-284 (Improper Access Control) vulnerabilities
- CVE-2026-50746 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit an Improper Access Control vulnerability found in UniFi…
- CVE-2026-46978 — Critical (CVSS 10.0): Vulnerability in the Oracle Solaris product of Oracle Systems (component: Remote Administration Daemon). The…
- CVE-2026-35308 — Critical (CVSS 10.0): Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware (component: Centralized Third Party Jars).…
- CVE-2026-35307 — Critical (CVSS 10.0): Vulnerability in the Oracle Coherence product of Oracle Fusion Middleware (component: Core). Supported versions that…
- CVE-2026-46695 — Critical (CVSS 10.0): Boxlite is a sandbox service that allows users to create lightweight virtual machines (Boxes) and launch OCI containers…
- CVE-2026-46840 — Critical (CVSS 10.0): Vulnerability in Oracle REST Data Services (component: Backend-as-a-Service). Supported versions that are affected are…
Browse all CWE-284 (Improper Access Control) vulnerabilities →