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CVE-2020-1436

HIGH
8.8
CVSS Score
Published: July 14, 2020 at 10:54 PM UTC
Updated: June 17, 2026 at 03:01 AM UTC
16 products affected across 1 vendorWindows Server 2016Windows Server 2019Windows Server 2012

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Severity
HIGH8.8
Exploit prediction
EPSS 21%

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'.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Windows 10· Microsoft
95%
1607170918031809190319092004
Windows 7· Microsoft
95%
sp1
Windows 8-1· Microsoft
95%
All versions
Windows Rt 8-1· Microsoft
95%
All versions
Windows Server 2008· Microsoft
95%
r2 sp1sp2
Windows Server 2012· Microsoft
95%
r2
Windows Server 2016· Microsoft
95%
190319092004
Windows Server 2019· Microsoft
95%
All versions
Windows· Microsoft
60%
10 Version 1607 for 32-bit Systems10 Version 1607 for x64-based Systems10 Version 1709 for 32-bit Systems10 Version 1709 for ARM64-based Systems10 Version 1709 for x64-based Systems10 Version 1803 for 32-bit Systems10 Version 1803 for ARM64-based Systems10 Version 1803 for x64-based Systems10 Version 1809 for 32-bit Systems10 Version 1809 for ARM64-based Systems10 Version 1809 for x64-based Systems10 for 32-bit Systems10 for x64-based Systems7 for 32-bit Systems Service Pack 17 for x64-based Systems Service Pack 18.1 for 32-bit systems8.1 for x64-based systemsRT 8.1
Windows 10 1903· Microsoft
60%
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (4)

Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2020/08/25/3
Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2020/08/25/5
x_refsource_MISCPatchVendor Advisory
Source: [email protected]
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1436
x_refsource_MISCThird Party AdvisoryVDB Entry
Source: [email protected]
https://www.zerodayinitiative.com/advisories/ZDI-20-877/

CVSS

8.8HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-787

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