CVE-2019-1449
A security feature bypass vulnerability exists in the way that Office Click-to-Run (C2R) components handle a specially crafted file, which could lead to a standard user, any AppContainer sandbox, and Office LPAC Protected View to escalate privileges to…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (6.81%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A security feature bypass vulnerability exists in the way that Office Click-to-Run (C2R) components handle a specially crafted file, which could lead to a standard user, any AppContainer sandbox, and Office LPAC Protected View to escalate privileges to SYSTEM.To exploit this bug, an attacker would have to run a specially crafted file, aka 'Microsoft Office ClickToRun Security Feature Bypass Vulnerability'.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 6.81% probability · 94th percentile
- CISA KEV
- Not listed
- Affected
- microsoft/office · microsoft/office 365 proplus
- Source
- secure@microsoft.com
References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1449Patch, Vendor Advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1449Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.