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Medium severity4.7NVD Advisory· Published Oct 16, 2020· Updated Jun 17, 2026

CVE-2020-16949

CVE-2020-16949

Description

A denial of service vulnerability exists in Microsoft Outlook software when the software fails to properly handle objects in memory. An attacker who successfully exploited the vulnerability could cause a remote denial of service against a system. Exploitation of the vulnerability requires that a specially crafted email be sent to a vulnerable Outlook server. The security update addresses the vulnerability by correcting how Microsoft Outlook handles objects in memory.

Affected products

30
  • Microsoft/365 Apps
    cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:*:*
  • Microsoft/Officev52 versions
    cpe:2.3:a:microsoft:office:2019:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:microsoft:office:2019:*:*:*:*:*:*:*range: 19.0.0
    • cpe:2.3:a:microsoft:office:2019:*:*:*:*:-:*:*
  • Microsoft/Outlook7 versions
    cpe:2.3:a:microsoft:outlook:2010:sp2:*:*:*:*:*:*+ 6 more
    • cpe:2.3:a:microsoft:outlook:2010:sp2:*:*:*:*:*:*
    • cpe:2.3:a:microsoft:outlook:2013:*:*:*:*:x86:*:*range: 15.0.0.0
    • cpe:2.3:a:microsoft:outlook:2013:sp1:*:*:*:*:*:*
    • cpe:2.3:a:microsoft:outlook:2013:sp1:*:*:rt:*:*:*
    • cpe:2.3:a:microsoft:outlook:2016:*:*:*:*:*:*:*
    • cpe:2.3:a:microsoft:outlook:2016:*:*:*:*:x86:*:*range: 16.0.0.0
    • (no CPE)
  • Microsoft/Windows 10 19098 versions
    cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:*+ 7 more
    • cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:*
    • cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:*
    • cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:*:*
    • cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:*:*
    • cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:*:*
    • cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:*:*
    • cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:*:*
    • cpe:2.3:o:microsoft:windows_10:2004:*:*:*:*:*:*:*
  • Microsoft/Windows 7
    cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:*
  • Microsoft/Windows 8.1
    cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:*
  • Microsoft/Windows Rt 8.1
    cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*
  • Microsoft/Windows Server 20082 versions
    cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:*
    • cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*
  • Microsoft/Windows Server 20122 versions
    cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
    • cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
  • Microsoft/Windows Server 20164 versions
    cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*+ 3 more
    • cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
    • cpe:2.3:o:microsoft:windows_server_2016:1903:*:*:*:*:*:*:*
    • cpe:2.3:o:microsoft:windows_server_2016:1909:*:*:*:*:*:*:*
    • cpe:2.3:o:microsoft:windows_server_2016:2004:*:*:*:*:*:*:*
  • Microsoft/Windows Server 2019
    cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*

Patches

Vulnerability mechanics

References

1

News mentions

0

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