CVE-2019-1378
An elevation of privilege vulnerability exists in Windows 10 Update Assistant in the way it handles permissions.A locally authenticated attacker could run arbitrary code with elevated system privileges, aka 'Windows 10 Update Assistant Elevation of…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.31%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
An elevation of privilege vulnerability exists in Windows 10 Update Assistant in the way it handles permissions.A locally authenticated attacker could run arbitrary code with elevated system privileges, aka 'Windows 10 Update Assistant Elevation of Privilege Vulnerability'.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.31% probability · 70th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-732
- Affected
- microsoft/windows 10 update assistant
- Source
- secure@microsoft.com
EPSS 1.3% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1378Patch, Vendor Advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1378Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.