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    CVE-2020-10146

    The Microsoft Teams online service contains a stored cross-site scripting vulnerability in the displayName parameter that can be exploited on Teams clients to obtain sensitive information such as authentication tokens and to possibly execute arbitrary commands. This vulnerability was fixed for all Teams users in the online service on or around October 2020.

    Published:Dec 9, 2020
    Last Modified:Nov 21, 2024
    EPS:Dec 9, 2020
    EPSS Score:0.00515
    CVSS Score:5.7

    Affected Products

    Vendor
    Microsoft
    Product
    Teams

    Exploits

    https://github.com/oskarsve/ms-teams-rcehttps://github.com/oskarsve/ms-teams-rce

    Related CVEs

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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