CVE-2020-1434
An elevation of privilege vulnerability exists in the way that the Windows Sync Host Service...
An elevation of privilege vulnerability exists in the way that the Windows Sync Host Service handles objects in memory, aka 'Windows Sync Host Service Elevation of Privilege Vulnerability'.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- Low
Exploit likelihood
What each source reports
NVD Score used
An elevation of privilege vulnerability exists in the way that the Windows Sync Host Service handles objects in memory, aka 'Windows Sync Host Service Elevation of Privilege Vulnerability'.
- Record
CVE-2020-1434- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L - CVSS 2.0
- 4.6 Medium
AV:L/AC:L/Au:N/C:P/I:P/A:P - Updated
- 2026-11-02
CVE List No score
An elevation of privilege vulnerability exists in the way that the Windows Sync Host Service handles objects in memory, aka 'Windows Sync Host Service Elevation of Privilege Vulnerability'.
- Record
CVE-2020-1434- Updated
- 2026-11-02
EUVDEUVD-2020-12310 No score
An elevation of privilege vulnerability exists in the way that the Windows Sync Host Service handles objects in memory, aka 'Windows Sync Host Service Elevation of Privilege Vulnerability'.
- Record
EUVD-2020-12310- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-vqpg-rq94-24x7 No score
An elevation of privilege vulnerability exists in the way that the Windows Sync Host Service...
An elevation of privilege vulnerability exists in the way that the Windows Sync Host Service handles objects in memory, aka 'Windows Sync Host Service Elevation of Privilege Vulnerability'.
- Record
GHSA-vqpg-rq94-24x7- Weakness
- CWE-269
- Updated
- 2026-11-02
Affected products
- microsoft windows
- microsoft windows 10 version 1903 for 32-bit systems
- microsoft windows 10 version 1903 for arm64-based systems
- microsoft windows 10 version 1903 for x64-based systems
- microsoft windows 10 version 1909 for 32-bit systems
- microsoft windows 10 version 1909 for arm64-based systems
- microsoft windows 10 version 1909 for x64-based systems
- microsoft windows 10 version 2004 for 32-bit systems
- microsoft windows 10 version 2004 for arm64-based systems
- microsoft windows 10 version 2004 for x64-based systems
- microsoft windows server
- microsoft windows server, version 1903 (server core installation)
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-1434 is a medium vulnerability (CVSS 5.3) in Microsoft Windows, published July 14, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.83%, the 57th percentile. No source names a fixed version.