CVE-2019-1449
9.8
CRITICAL · CVSS 3.1 · EPSS 6.8% (pctl 94)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
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'.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 6.81% — more likely to be exploited than 94% of all CVEs |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2019-11-12 |
| Last modified | 2026-06-17 |
Affected (2)
| Vendor | Product |
|---|---|
| microsoft | office |
| microsoft | office 365 proplus |
References
→ the Explorer · watch your stack · NVD