CVE-2019-1255
A denial of service vulnerability exists when Microsoft Defender improperly handles files, aka 'Microsoft Defender Denial of Service…
- Published
- Updated
- Reserved
- Assigned by
- microsoft
Description
A denial of service vulnerability exists when Microsoft Defender improperly handles files, aka 'Microsoft Defender Denial of Service Vulnerability'.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 4.1% · top 9.1% of all CVEs (6 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
- Denial of Service
Affected products
Microsoft · Microsoft Security Essentials
- affected unspecified
Microsoft · Microsoft System Center
- affected 2012 Endpoint Protection
- affected Endpoint Protection
- affected 2012 R2 Endpoint Protection
Microsoft · Microsoft Forefront Endpoint Protection
- affected 2010
Microsoft · Windows Defender on Windows 7 for 32-bit Systems
- affected Service Pack 1
Microsoft · Windows Defender on Windows 7 for x64-based Systems
- affected Service Pack 1
Microsoft · Windows Defender on Windows Server 2008 R2 for x64-based Systems (Server Core installation)
- affected Service Pack 1
Microsoft · Windows Defender on Windows Server 2008 R2 for Itanium-Based Systems
- affected Service Pack 1
Microsoft · Windows Defender on Windows Server 2008 R2 for x64-based Systems
- affected Service Pack 1
Microsoft · Windows Defender on Windows Server 2008 for 32-bit Systems (Server Core installation)
- affected Service Pack 2
Microsoft · Windows Defender on Windows Server 2012
- affected unspecified
Microsoft · Windows Defender on Windows Server 2012 (Server Core installation)
- affected unspecified
Microsoft · Windows Defender on Windows 8.1 for 32-bit systems
- affected unspecified
Microsoft · Windows Defender on Windows 8.1 for x64-based systems
- affected unspecified
Microsoft · Windows Defender on Windows Server 2012 R2
- affected unspecified
Microsoft · Windows Defender on Windows RT 8.1
- affected unspecified
Microsoft · Windows Defender on Windows Server 2012 R2 (Server Core installation)
- affected unspecified
Microsoft · Windows Defender on Windows 10 for 32-bit Systems
- affected unspecified
Microsoft · Windows Defender on Windows 10 for x64-based Systems
- affected unspecified
Microsoft · Windows Defender on Windows Server 2016
- affected unspecified
Microsoft · Windows Defender on Windows 10 Version 1607 for 32-bit Systems
- affected unspecified
Microsoft · Windows Defender on Windows 10 Version 1607 for x64-based Systems
- affected unspecified
Microsoft · Windows Defender on Windows Server 2016 (Server Core installation)
- affected unspecified
Microsoft · Windows Defender on Windows 10 Version 1703 for 32-bit Systems
- affected unspecified
Microsoft · Windows Defender on Windows 10 Version 1703 for x64-based Systems
- affected unspecified
Microsoft · Windows Defender on Windows 10 Version 1709 for 32-bit Systems
- affected unspecified
Microsoft · Windows Defender on Windows 10 Version 1709 for x64-based Systems
- affected unspecified
Microsoft · Windows Defender on Windows 10 Version 1803 for 32-bit Systems
- affected unspecified
Microsoft · Windows Defender on Windows 10 Version 1803 for x64-based Systems
- affected unspecified
Microsoft · Windows Defender on Windows Server, version 1803 (Server Core Installation)
- affected unspecified
Microsoft · Windows Defender on Windows 10 Version 1803 for ARM64-based Systems
- affected unspecified
Microsoft · Windows Defender on Windows 10 Version 1809 for 32-bit Systems
- affected unspecified
Microsoft · Windows Defender on Windows 10 Version 1809 for x64-based Systems
- affected unspecified
Microsoft · Windows Defender on Windows 10 Version 1809 for ARM64-based Systems
- affected unspecified
Microsoft · Windows Defender on Windows Server 2019
- affected unspecified
Microsoft · Windows Defender on Windows Server 2019 (Server Core installation)
- affected unspecified
Microsoft · Windows Defender on Windows 10 Version 1709 for ARM64-based Systems
- affected unspecified
Microsoft · Windows Defender on Windows 10 Version 1903 for 32-bit Systems
- affected unspecified
Microsoft · Windows Defender on Windows 10 Version 1903 for x64-based Systems
- affected unspecified
Microsoft · Windows Defender on Windows 10 Version 1903 for ARM64-based Systems
- affected unspecified
Microsoft · Windows Defender on Windows Server, version 1903 (Server Core installation)
- affected unspecified
Microsoft · Windows Defender on Windows Server 2008 for Itanium-Based Systems
- affected Service Pack 2
Microsoft · Windows Defender on Windows Server 2008 for 32-bit Systems
- affected Service Pack 2
References (1)
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1255 (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2019-1255)Record last updated .