CVSS 3.1
7.5 highCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:HCVE-2020-1378
High (7.5) in microsoft. EPSS 3.9% chance of exploitation in the next 30 days.
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.
Severity
- EPSS
- 3.9% chance of exploitation in the next 30 days; higher than 90% of CVEs (scores of 2026-10-31)
- CWE
- CWE-787
- Published
- Modified
- Record from
- the NVD, synced
Affected
- microsoft:windows_10
- microsoft:windows_7
- microsoft:windows_8.1
- microsoft:windows_rt_8.1
- microsoft:windows_server_2008
- microsoft:windows_server_2012
- microsoft:windows_server_2016
- microsoft:windows_server_2019
References
- http://packetstormsecurity.com/files/158939/Microsoft-Windows-CmpDoReadTxRBigLogRecord-Memory-Corruption-Privilege-Escalation.html
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1378
- http://packetstormsecurity.com/files/158939/Microsoft-Windows-CmpDoReadTxRBigLogRecord-Memory-Corruption-Privilege-Escalation.html
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1378