CVE-2020-16949
Last modified
CVE-2020-16949 is a medium-severity vulnerability rated 4.7/10 on the CVSS scale. <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>. EPSS estimates a 2.75% chance of exploitation in the next 30 days.
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>
Metrics
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Microsoft | Windows 10 | All versions | — |
| 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 | All versions | Sp1 |
| Microsoft | Windows 8.1 | All versions | — |
| Microsoft | Windows Rt 8.1 | All versions | — |
| Microsoft | Windows Server 2008 | All versions | Sp2 |
| Microsoft | Windows Server 2008 | r2 | Sp1 |
| Microsoft | Windows Server 2012 | All versions | — |
| Microsoft | Windows Server 2012 | r2 | — |
| Microsoft | Windows Server 2016 | All versions | — |
| Microsoft | Windows Server 2016 | 1903 | — |
| Microsoft | Windows Server 2016 | 1909 | — |
| Microsoft | Windows Server 2016 | 2004 | — |
| Microsoft | Windows Server 2019 | All versions | — |
| Microsoft | 365 Apps | All versions | — |
| Microsoft | Office | 2019 | — |
| Microsoft | Outlook | 2010 | Sp2 |
| Microsoft | Outlook | 2013 | Sp1 |
| Microsoft | Outlook | 2016 | — |
References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16949Patch, Vendor Advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16949Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-16949?
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