Improper input validation in Microsoft Windows 10 1607
CVE-2026-45642
Improper input validation in Microsoft Azure Attestation service and Device Health Attestation Service allows an authorized attacker to perform spoofing with a physical attack.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.9 (Low). Vector: CVSS:3.1/AV:P/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.004 (28.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 28.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.001
Affected products
- Microsoft Windows 10 1607
- Microsoft Windows 10 1809
- Microsoft Windows 10 21h2
- Microsoft Windows 10 22h2
- Microsoft Windows 10 Version 1607 — versions 10.0.14393.0
- Microsoft Windows 10 Version 1809 — versions 10.0.17763.0
- Microsoft Windows 10 Version 21h2 — versions 10.0.19044.0
- Microsoft Windows 10 Version 22h2 — versions 10.0.19045.0
- Microsoft Windows 11 23h2
- Microsoft Windows 11 24h2
Weakness classification (CWE)
References
- Microsoft Azure Attestation service and Device Health Attestation Service Spoofing Vulnerability (vendor-advisory, patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-45642?
- CVE-2026-45642 is a low-severity vulnerability in Microsoft Windows 10 1607, classified under Improper Input Validation. CVSS score: 3.9/10. Published 2026-06-09.
- How severe is CVE-2026-45642?
- Low severity. CVSS v3 base score is 3.9 out of 10.