HIGH

CVE-2020-1464

Microsoft Windows 10 1507 2020-08-17 CVSS v3.1
CVSS
7.8
KEV

Description

A spoofing vulnerability exists when Windows incorrectly validates file signatures. An attacker who successfully exploited this vulnerability could bypass security features and load improperly signed files.
In an attack scenario, an attacker could bypass security features intended to prevent improperly signed files from being loaded.
The update addresses the vulnerability by correcting how Windows validates file signatures.

Summary dbcve.org

A spoofing vulnerability in Windows allows improperly signed files to be loaded due to incorrect file signature validation. Attackers can bypass security features that rely on file signatures (such as Authenticode and application control policies) by crafting files with invalid or manipulated signatures that Windows incorrectly accepts as valid.

Mitigation

Apply the Microsoft security update for CVE-2020-1464 via Windows Update or enterprise patch management systems to correct file signature validation logic.

Proof of Concept
Patch Commit

Weakness (CWE)

CWE-347 Improper Signature Verification

EPSS Score

38.95%
Probability of exploitation in next 30 days
98.5th percentile

References

View on dbcve.org
Base CVE data derived from NVD (public domain). Enrichment by dbcve.org (CC-BY-4.0). Fetched via API.
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