Vulnerability in Microsoft Windows 10
CVE-2020-1377
An elevation of privilege vulnerability exists when the Windows Kernel API improperly handles registry objects in memory. An attacker who successfully exploited the vulnerability could gain elevated privileges on a targeted system. A locally authenticated attacker could exploit this vulnerability by running a specially crafted application. The security update addresses the vulnerability by helping to ensure that the Windows Kernel API properly handles objects in memory.
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: 0.015 (73.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 73.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000
Affected products
- Microsoft Windows 10 — versions 1607, 1709, 1803
- Microsoft Windows 10 Version 1507 — versions 10.0.0
- Microsoft Windows 10 Version 1607 — 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
- 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
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1377 (Patch, Vendor Advisory)
- packetstormsecurity.com/files/158938/Microsoft-Windows-CmpDoReDoCreateKey-Arbit… (VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-1377?
- CVE-2020-1377 is a high-severity vulnerability in Microsoft Windows 10. CVSS score: 7.8/10. Published 2020-08-17.
- How severe is CVE-2020-1377?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2020-1377 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.