Vulnerability in Microsoft Windows 10 Version 1507
CVE-2019-1040
A tampering vulnerability exists in Microsoft Windows when a man-in-the-middle attacker is able to successfully bypass the NTLM MIC (Message Integrity Check) protection. An attacker who successfully exploited this vulnerability could gain…
EPSS: 0.898 (99.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N/E:P/RL:O/RC:C.
Affected products
- Microsoft Windows 10 Version 1507 — versions 10.0.10240.0
- Microsoft Windows 10 Version 1607 — versions 10.0.14393.0
- Microsoft Windows 10 Version 1703 — versions 10.0.0
- Microsoft Windows 10 Version 1709 — versions 10.0.0
- Microsoft Windows 10 Version 1709 For 32-bit Systems — versions 10.0.0
- Microsoft Windows 10 Version 1803 — versions 10.0.0
- Microsoft Windows 10 Version 1809 — versions 10.0.0, 10.0.17763.0
- Microsoft Windows 10 Version 1903 For 32-bit Systems — versions 10.0.0
- Microsoft Windows 10 Version 1903 For Arm64-based Systems — versions 10.0.0
- Microsoft Windows 10 Version 1903 For X64-based Systems — versions 10.0.0
Public proof-of-concept exploits
References
- Windows NTLM Tampering Vulnerability (vendor-advisory)
Frequently asked questions
- What is CVE-2019-1040?
- CVE-2019-1040 is a medium-severity vulnerability in Microsoft Windows 10 Version 1507. CVSS score: 5.3/10. Published 2019-06-12.
- How severe is CVE-2019-1040?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2019-1040 known to be exploited?
- 113 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.