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    CVE-2025-49731

    Improper handling of insufficient permissions or privileges in Microsoft Teams allows an authorized attacker to elevate privileges over a network.

    Published:Jul 8, 2025
    Last Modified:Feb 26, 2026
    EPS:Jul 8, 2025
    EPSS Score:0.00041
    CVSS Score:3.1

    Affected Products

    Vendor
    Microsoft
    Product
    Teams

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    CVE-2026-65667 (CVSS 10) — Missing authorization in Microsoft Teams allows an unauthorized attacker to elevate privileges over a network.…
    CVE-2026-62918 (CVSS 7.5) — Improper verification of cryptographic signature in Microsoft Teams allows an unauthorized attacker to perform…
    CVE-2026-62896 (CVSS 9.6) — Improper authentication in Microsoft Teams allows an authorized attacker to elevate privileges over a network.…
    CVE-2026-42835 (CVSS 8.1) — Improper neutralization of special elements in output used by a downstream component ('injection') in Microsof…
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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High