Vulnerability in Microsoft Office
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 SYSTEM.To exploit this bug, an attacker would have to run a specially crafted file, aka 'Microsoft Office ClickToRun Security Feature Bypass Vulnerability'.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.068 (93.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 93.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.068 · newest: 0.068 · change: 0.000
Affected products
- Microsoft Office — versions 2019 for 32-bit editions, 2019 for 64-bit editions
- Microsoft Office — versions 2019
- Microsoft Office 365 Proplus — versions 32-bit Systems, 64-bit Systems
- Microsoft Office 365 Proplus
References
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1449 (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2019-1449?
- CVE-2019-1449 is a critical-severity vulnerability in Microsoft Office. CVSS score: 9.8/10. Published 2019-11-12.
- How severe is CVE-2019-1449?
- Critical severity. CVSS v3 base score is 9.8 out of 10.