High severity · published Sep 23, 2019
CVE-2019-1255
A denial of service vulnerability exists when Microsoft Defender improperly handles files, aka 'Microsoft Defender Denial of Service Vulnerability'
7.5
CVSS
4.1%
EPSS
No
On KEV
Description
A denial of service vulnerability exists when Microsoft Defender improperly handles files, aka 'Microsoft Defender Denial of Service Vulnerability'.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)4.1% · higher than 91% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FE
Forefront Endpoint Protection 2010 · Microsoft
All versions, or not specified · source: NVD
SE
Security Essentials · Microsoft
All versions, or not specified · source: NVD
SC
System Center Endpoint Protection · Microsoft
2012; 2012 · source: NVD
WD
Windows Defender · Microsoft
All versions, or not specified · source: NVD
Affected product
FE
Forefront Endpoint Protection 2010
Microsoft
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-1255
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-1255
Patch
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1255
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