CVEvulnerability
CVE-2020-16949
4.7 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2020-10-16
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 4.7 MEDIUM — CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-401
Description
<p>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.</p>
<p>Exploitation of the vulnerability requires that a specially crafted email be sent to a vulnerable Outlook server.</p>
<p>The security update addresses the vulnerability by correcting how Microsoft Outlook handles objects in memory.</p>
Affected configurations
• microsoft windows 10
• microsoft windows 10 1607
• microsoft windows 10 1709
• microsoft windows 10 1803
• microsoft windows 10 1809
• microsoft windows 10 1903
• microsoft windows 10 1909
• microsoft windows 10 2004
• microsoft windows 7
• microsoft windows 8.1
• microsoft windows rt 8.1
• microsoft windows server 2008
• microsoft windows server 2008 r2
• microsoft windows server 2012
• microsoft windows server 2012 r2
• microsoft windows server 2016
• microsoft windows server 2016 1903
• microsoft windows server 2016 1909
• microsoft windows server 2016 2004
• microsoft windows server 2019
• microsoft 365 apps
• microsoft office 2019
• microsoft outlook 2010
• microsoft outlook 2013
• microsoft outlook 2016
Related
Weakness · CWE (1)
- CWE-401 Missing Release of Memory after Effective Lifetime weakness
References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16949 Patch, Vendor Advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16949 Patch, Vendor Advisory