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    CVE-2013-3870

    Double free vulnerability in Microsoft Outlook 2007 SP3 and 2010 SP1 and SP2 allows remote attackers to execute arbitrary code by including many nested S/MIME certificates in an e-mail message, aka "Message Certificate Vulnerability."

    Published:Sep 11, 2013
    Last Modified:Apr 11, 2025
    EPS:Sep 11, 2013
    EPSS Score:0.36716
    CVSS Score:9.3

    Affected Products

    Vendor
    Microsoft
    Product
    Outlook

    Exploits

    http://blogs.technet.com/b/srd/archive/2013/09/10/ms13-068-a-difficult-to-exploit-double-free-in-outlook.aspxhttp://blogs.technet.com/b/srd/archive/2013/09/10/ms13-068-a-difficult-to-exploit-double-free-in-outlook.aspx

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-80073 (CVSS 6.5) — Out-of-bounds read in Microsoft Office Outlook allows an unauthorized attacker to disclose information over a …
    CVE-2026-78519 (CVSS 8.8) — Use of uninitialized resource in Microsoft Office Outlook allows an unauthorized attacker to execute code over…
    CVE-2026-69629 (CVSS 8.8) — Heap-based buffer overflow in Microsoft Office Outlook allows an unauthorized attacker to execute code over a …
    CVE-2026-62882 (CVSS 4.3) — Insufficiently protected credentials in Microsoft Office Outlook allows an unauthorized attacker to perform sp…
    CVE-2026-70329 (CVSS 8.8) — Integer overflow or wraparound in Microsoft Office Outlook allows an unauthorized attacker to execute code ove…
    CVE-2026-42893 (CVSS 7.4) — Improper neutralization of special elements used in a command ('command injection') in M365 Copilot allows an …
    CVE-2026-26133 (CVSS 7.1) — AI command injection in M365 Copilot allows an unauthorized attacker to disclose information over a network.…
    CVE-2026-21260 (CVSS 7.5) — Exposure of sensitive information to an unauthorized actor in Microsoft Office Outlook allows an unauthorized …
    CVE-2025-49699 (CVSS 7) — Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.…
    CVE-2025-47176 (CVSS 7.8) — '.../...//' in Microsoft Office Outlook allows an authorized attacker to execute code locally.…

    References

    http://blogs.technet.com/b/srd/archive/2013/09/10/assessing-risk-for-the-september-2013-security-updates.aspx
    http://blogs.technet.com/b/srd/archive/2013/09/10/ms13-068-a-difficult-to-exploit-double-free-in-outlook.aspx
    http://www.us-cert.gov/ncas/alerts/TA13-253A
    https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-068
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18857
    http://blogs.technet.com/b/srd/archive/2013/09/10/assessing-risk-for-the-september-2013-security-updates.aspx
    http://blogs.technet.com/b/srd/archive/2013/09/10/ms13-068-a-difficult-to-exploit-double-free-in-outlook.aspx
    http://www.us-cert.gov/ncas/alerts/TA13-253A
    https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-068
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18857

    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