Vulnerability in Microsoft Windows 10 1507
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.389 (98.6th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 99th percentile — 98.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.389 · newest: 0.389 · change: 0.000
Affected products
- Microsoft Windows 10 1507
- Microsoft Windows 10 1607
- Microsoft Windows 10 1709
- Microsoft Windows 10 1803
- Microsoft Windows 10 1809
- Microsoft Windows 10 1903
- Microsoft Windows 10 1909
- Microsoft Windows 10 2004
- Microsoft Windows 10 Version 1507 — versions 10.0.0
- Microsoft Windows 10 Version 1607 — versions 10.0.0
Weakness classification (CWE)
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply updates per vendor instructions.
Public proof-of-concept exploits
References
- medium.com/@TalBeerySec/glueball-the-story-of-cve-2020-1464-50091a1f98bd (Exploit, Third Party Advisory)
- krebsonsecurity.com/2020/08/microsoft-put-off-fixing-zero-day-for-2-years/ (Third Party Advisory, Issue Tracking)
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1464 (Patch, Vendor Advisory)
- blog.virustotal.com/2019/01/distribution-of-malicious-jar-appended.html (Third Party Advisory)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)
Frequently asked questions
- What is CVE-2020-1464?
- CVE-2020-1464 is a high-severity vulnerability in Microsoft Windows 10 1507, classified under Improper Verification of Cryptographic Signature. CVSS score: 7.8/10. Published 2020-08-17.
- How severe is CVE-2020-1464?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2020-1464 known to be exploited?
- Yes. CVE-2020-1464 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03), indicating it is being actively exploited. 4 public proof-of-concept repositories are indexed.