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    CVE-2025-53805

    Out-of-bounds read in Windows Internet Information Services allows an unauthorized attacker to deny service over a network.

    Published:Sep 9, 2025
    Last Modified:Feb 20, 2026
    EPS:Sep 9, 2025
    EPSS Score:0.0015
    CVSS Score:7.5

    Affected Products

    Vendor
    Microsoft
    Product
    Internet Information Services
    Vendor
    Microsoft
    Product
    Windows
    Vendor
    Microsoft
    Product
    Windows 11
    Vendor
    Microsoft
    Product
    Windows 11 22H2
    Vendor
    Microsoft
    Product
    Windows 11 22h2
    Vendor
    Microsoft
    Product
    Windows 11 23H2
    Vendor
    Microsoft
    Product
    Windows 11 23h2
    Vendor
    Microsoft
    Product
    Windows 11 24H2
    Vendor
    Microsoft
    Product
    Windows 11 24h2
    Vendor
    Microsoft
    Product
    Windows Server
    Vendor
    Microsoft
    Product
    Windows Server 2022
    Vendor
    Microsoft
    Product
    Windows Server 2022 23h2
    Vendor
    Microsoft
    Product
    Windows Server 2025
    Vendor
    Microsoft
    Product
    Windows Server 23h2

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-125 Out-of-bounds Read

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-540 Overread Buffers

    Related CVEs

    CVE-2017-7269 (CVSS 9.8) — Buffer overflow in the ScStoragePathFromUrl function in the WebDAV service in Internet Information Services (I…
    CVE-2014-4078 (CVSS 5.1) — The IP Security feature in Microsoft Internet Information Services (IIS) 8.0 and 8.5 does not properly process…
    CVE-2011-5279 (CVSS 5) — CRLF injection vulnerability in the CGI implementation in Microsoft Internet Information Services (IIS) 4.x an…
    CVE-2010-3972 (CVSS 10) — Heap-based buffer overflow in the TELNET_STREAM_CONTEXT::OnSendData function in ftpsvc.dll in Microsoft FTP Se…
    CVE-2010-3332 (CVSS 6.4) — Microsoft .NET Framework 1.1 SP1, 2.0 SP1 and SP2, 3.5, 3.5 SP1, 3.5.1, and 4.0, as used for ASP.NET in Micros…
    CVE-2010-1899 (CVSS 4.3) — Stack consumption vulnerability in the ASP implementation in Microsoft Internet Information Services (IIS) 5.1…
    CVE-2010-2730 (CVSS 9.3) — Buffer overflow in Microsoft Internet Information Services (IIS) 7.5, when FastCGI is enabled, allows remote a…
    CVE-2009-4444 (CVSS 6) — Microsoft Internet Information Services (IIS) 5.x and 6.x uses only the portion of a filename before a ; (semi…
    CVE-2009-4445 (CVSS 6) — Microsoft Internet Information Services (IIS), when used in conjunction with unspecified third-party upload ap…
    CVE-2009-2521 (CVSS 5) — Stack consumption vulnerability in the FTP Service in Microsoft Internet Information Services (IIS) 5.0 throug…

    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