CVE-2020-1464

CVE-2020-1464 is a high-severity vulnerability in Microsoft Windows 10 1507 with a CVSS 3.x base score of 7.8. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2021-11-03). The underlying weakness is classified as CWE-347.

Key facts

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.

Frequently asked questions

What is CVE-2020-1464?
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.
How severe is CVE-2020-1464?
CVE-2020-1464 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-1464 being actively exploited?
Yes. CVE-2020-1464 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2021-11-03, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2020-1464?
CVE-2020-1464 primarily affects Microsoft Windows 10 1507. In total, 20 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-1464?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
Does CVE-2020-1464 have an EU (EUVD) identifier?
Yes. CVE-2020-1464 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2020-12339. It is also flagged as exploited in the EUVD (since 2021-11-03).
When was CVE-2020-1464 published?
CVE-2020-1464 was published on 2020-08-17 and last updated on 2026-06-17.

References

Affected products (20)

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