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    CVE-2025-21355

    Missing Authentication for Critical Function in Microsoft Bing allows an unauthorized attacker to execute code over a network

    Published:Feb 19, 2025
    Last Modified:Feb 13, 2026
    EPS:Feb 19, 2025
    EPSS Score:0.05739
    CVSS Score:8.6

    Affected Products

    Vendor
    Microsoft
    Product
    Bing

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-45650 (CVSS 4.3) — User interface (ui) misrepresentation of critical information in Microsoft Bing allows an unauthorized attacke…
    CVE-2026-33819 (CVSS 10) — Deserialization of untrusted data in Microsoft Bing allows an unauthorized attacker to execute code over a net…
    CVE-2026-32186 (CVSS 10) — Server-side request forgery (ssrf) in Microsoft Bing allows an unauthorized attacker to elevate privileges ove…
    CVE-2026-26120 (CVSS 6.5) — Server-side request forgery (ssrf) in Microsoft Bing allows an unauthorized attacker to perform tampering over…
    CVE-2021-33753 (CVSS 4.7) — Microsoft Bing Search Spoofing Vulnerability…
    CVE-2020-1329 (CVSS 6.5) — A spoofing vulnerability exists when Microsoft Bing Search for Android improperly handles specific HTML conten…
    CVE-2014-1670 (CVSS 6.8) — The Microsoft Bing application before 4.2.1 for Android allows remote attackers to install arbitrary APK files…

    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