CVE-2020-1355: microsoft windows_10 Improper Input Validation
Vulnerability summary
CVE-2020-1355 is a high (CVSS 7.8) Improper Input Validation vulnerability in microsoft windows_10. EPSS estimates a 4.12% chance of exploitation in the next 30 days, higher than 90.6% of scored vulnerabilities.
Timeline
- 14-07-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
A remote code execution vulnerability exists when the Windows Font Driver Host improperly handles memory.An attacker who successfully exploited the vulnerability would gain execution on a victim system.The security update addresses the vulnerability by correcting how the Windows Font Driver Host handles memory., aka 'Windows Font Driver Host Remote Code Execution Vulnerability'.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
4.12%
Chance of exploitation in the next 30 days
Percentile
91%
Versus all other CVEs
30-day change
+0.17 pp
From 3.95% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-20Improper Input ValidationThe product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
- CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.
Affected systems
Microsoft14 products
- windows_101903 | 1909 | 2004
- windows 10 version 1903 for 32-bit systemsunspecified
- windows 10 version 1903 for arm64-based systemsunspecified
- windows 10 version 1903 for x64-based systemsunspecified
- windows 10 version 1909 for 32-bit systemsunspecified
1 vendor · 14 products
References
2 links
portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1355X Refsource MISCPatchVendor Advisory