High severity · published Jul 14, 2020
CVE-2020-1436
A remote code execution vulnerability exists when the Windows font library improperly handles specially crafted fonts.For all systems except Windows 10, an attacker who…
8.8
CVSS
21.3%
EPSS
No
On KEV
Description
A remote code execution vulnerability exists when the Windows font library improperly handles specially crafted fonts.For all systems except Windows 10, an attacker who successfully exploited the vulnerability could execute code remotely, aka 'Windows Font Library Remote Code Execution Vulnerability'.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)21.3% · higher than 98% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WI
Windows · Microsoft
1607; 1709; 1803; 1809; 1903; 1909; +1 more · source: NVD
W7
Windows 7 · Microsoft
All versions, or not specified · source: NVD
W8
Windows 8.1 · Microsoft
All versions, or not specified · source: NVD
WR
Windows RT 8.1 · Microsoft
All versions, or not specified · source: NVD
WS
Windows Server 2008 · Microsoft
r2 · source: NVD
WS
Windows Server 2012 · Microsoft
r2 · source: NVD
WS
Windows Server 2016 · Microsoft
1903; 1909; 2004 · source: NVD
WS
Windows Server 2019 · Microsoft
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-1436
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-1436
Mailing List
http://www.openwall.com/lists/oss-security/2020/08/25/3
Mailing List
http://www.openwall.com/lists/oss-security/2020/08/25/5
Patch
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1436
Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-20-877/
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