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    CVE-2012-1891

    Heap-based buffer overflow in Microsoft Data Access Components (MDAC) 2.8 SP1 and SP2 and Windows Data Access Components (WDAC) 6.0 allows remote attackers to execute arbitrary code via crafted XML data that triggers access to an uninitialized object in memory, aka "ADO Cachesize Heap Overflow RCE Vulnerability."

    Published:Jul 10, 2012
    Last Modified:Apr 11, 2025
    EPS:Jul 10, 2012
    EPSS Score:0.59636
    CVSS Score:9.8

    Affected Products

    Vendor
    Microsoft
    Product
    Data Access Components
    Vendor
    Microsoft
    Product
    Windows 7
    Vendor
    Microsoft
    Product
    Windows Data Access Components
    Vendor
    Microsoft
    Product
    Windows Server 2003
    Vendor
    Microsoft
    Product
    Windows Server 2008
    Vendor
    Microsoft
    Product
    Windows Vista
    Vendor
    Microsoft
    Product
    Windows Xp

    Exploits

    No exploit reference

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    CVE-2006-5559 (CVSS 9.3) — The Execute method in the ADODB.Connection 2.7 and 2.8 ActiveX control objects (ADODB.Connection.2.7 and ADODB…
    CVE-2006-0003 (CVSS 5.1) — Unspecified vulnerability in the RDS.Dataspace ActiveX control, which is contained in ActiveX Data Objects (AD…
    CVE-2003-0903 (CVSS 10) — Buffer overflow in a component of Microsoft Data Access Components (MDAC) 2.5 through 2.8 allows remote attack…
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    CVE-2002-0695 (CVSS 7.5) — Buffer overflow in the Transact-SQL (T-SQL) OpenRowSet component of Microsoft Data Access Components (MDAC) 2.…
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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