PT-2020-3657 · Microsoft · Windows Kernel Api+1

Published 2020-08-11 · Updated 2026-02-23 · CVE-2020-1378

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Windows Kernel API (affected versions not specified)

Description An elevation of privilege issue exists due to the improper handling of registry objects in memory by the Windows Kernel API. This could allow a locally authenticated attacker, who successfully exploits the issue, to gain elevated privileges on a targeted system. The attacker could exploit this by running a specially crafted application. The security update addresses the issue by ensuring the Windows Kernel API properly handles objects in memory.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

LPE

Buffer Overflow

Memory Corruption

Weakness Enumeration

CWE-119

CWE-787

Related Identifiers

BDU:2020-04005

CVE-2020-1378

Affected Products

Windows

Windows Kernel Api

References · 10

• https://bdu.fstec.ru/vul/2020-04005 · Security Note
• https://osv.dev/vulnerability/CVE-2020-1378 · Vendor Advisory
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1378 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2020-1378 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-1378 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-1378 · Security Note
• https://t.me/cvenotify/67942 · Telegram Post
• https://cybersecurity-help.cz/vdb/SB2020081216 · Note
• http://packetstormsecurity.com/files/158939/Microsoft-Windows-CmpDoReadTxRBigLogRecord-Memory-Corruption-Privilege-Escalation.html · Note
• https://t.me/cveNotify/152900 · Telegram Post