CVE Feed

    Dashboard / CVE / CVE-2007-2903

    CVE-2007-2903

    Buffer overflow in the HelpPopup method in the Microsoft Office 2000 Controllo UA di Microsoft Office ActiveX control (OUACTRL.OCX) 1.0.1.9 allows remote attackers to cause a denial of service (probably winhlp32.exe crash) via a long first argument. NOTE: it is not clear whether this issue crosses privilege boundaries.

    Published:May 30, 2007
    Last Modified:Apr 23, 2026
    EPS:May 30, 2007
    EPSS Score:0.4248
    CVSS Score:5

    Affected Products

    Vendor
    Microsoft
    Product
    Office

    Exploits

    http://moaxb.blogspot.com/2007/05/moaxb-23-microsoft-office-2000.htmlhttp://www.shinnai.altervista.org/moaxb/20070523/ouactrltxt.htmlhttp://moaxb.blogspot.com/2007/05/moaxb-23-microsoft-office-2000.htmlhttp://www.shinnai.altervista.org/moaxb/20070523/ouactrltxt.htmlhttps://www.exploit-db.com/exploits/3973

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-78439 (CVSS 8.8) — Stack-based buffer overflow in Microsoft Graphics Component allows an unauthorized attacker to execute code ov…
    CVE-2026-70105 (CVSS 6.5) — Improper input validation in Microsoft Office Word allows an unauthorized attacker to disclose information ove…
    CVE-2026-50387 (CVSS 7.8) — Stack-based buffer overflow in Windows GDI allows an authorized attacker to elevate privileges locally.…
    CVE-2026-45463 (CVSS 8.4) — Integer underflow (wrap or wraparound) in Microsoft Office allows an unauthorized attacker to execute code loc…
    CVE-2026-45461 (CVSS 8.4) — Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.…
    CVE-2026-45460 (CVSS 4.7) — Buffer over-read in Microsoft Office allows an unauthorized attacker to disclose information locally.…
    CVE-2026-45474 (CVSS 8.4) — Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.…
    CVE-2026-45472 (CVSS 8.4) — Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.…
    CVE-2026-42832 (CVSS 7.7) — Improper access control in Microsoft Office allows an unauthorized attacker to perform spoofing locally.…
    CVE-2026-40420 (CVSS 8.8) — Use after free in Microsoft Office allows an authorized attacker to elevate privileges locally.…

    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