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    CVE-2009-1531

    Microsoft Internet Explorer 7 for Windows XP SP2 and SP3; 7 for Server 2003 SP2; 7 for Vista Gold, SP1, and SP2; and 7 for Server 2008 SP2 allows remote attackers to execute arbitrary code via frequent calls to the getElementsByTagName function combined with the creation of an object during reordering of elements, followed by an onreadystatechange event, which triggers an access of an object that (1) was not properly initialized or (2) is deleted, aka "HTML Object Memory Corruption Vulnerability."

    Published:Jun 10, 2009
    Last Modified:Apr 23, 2026
    EPS:Jun 10, 2009
    EPSS Score:0.6125
    CVSS Score:9.3

    Affected Products

    Vendor
    Microsoft
    Product
    Internet Explorer
    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

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    CVE-2021-35240 (CVSS 6.5) — A security researcher stored XSS via a Help Server setting. This affects customers using Internet Explorer, be…
    CVE-2021-26419 (CVSS 7.5) — Scripting Engine Memory Corruption Vulnerability…
    CVE-2021-27085 (CVSS 8.8) — Internet Explorer Remote Code Execution Vulnerability…
    CVE-2021-26411 (CVSS 8.8) — Internet Explorer Memory Corruption Vulnerability…
    CVE-2020-17058 (CVSS 7.5) — Microsoft Browser Memory Corruption Vulnerability…
    CVE-2020-17053 (CVSS 7.5) — Internet Explorer Memory Corruption Vulnerability…
    CVE-2020-17052 (CVSS 7.5) — Scripting Engine Memory Corruption Vulnerability…
    CVE-2020-1506 (CVSS 6.1) — <p>An elevation of privilege vulnerability exists in the way that the Wininit.dll handles objects in memory. A…
    CVE-2020-1012 (CVSS 8.8) — <p>An elevation of privilege vulnerability exists in the way that the Wininit.dll handles objects in memory. A…

    References

    http://osvdb.org/54950
    http://www.securityfocus.com/archive/1/504216/100/0/threaded
    http://www.securityfocus.com/bid/35234
    http://www.securitytracker.com/id?1022350
    http://www.us-cert.gov/cas/techalerts/TA09-160A.html
    http://www.vupen.com/english/advisories/2009/1538
    http://www.zerodayinitiative.com/advisories/ZDI-09-039
    https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-019
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6308
    http://osvdb.org/54950
    http://www.securityfocus.com/archive/1/504216/100/0/threaded
    http://www.securityfocus.com/bid/35234
    http://www.securitytracker.com/id?1022350
    http://www.us-cert.gov/cas/techalerts/TA09-160A.html
    http://www.vupen.com/english/advisories/2009/1538
    http://www.zerodayinitiative.com/advisories/ZDI-09-039
    https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-019
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6308

    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