Vulnerability in Microsoft Office 365 Proplus
CVE-2020-0697
An elevation of privilege vulnerability exists in Microsoft Office OLicenseHeartbeat task, where an attacker who successfully exploited this vulnerability could run this task as SYSTEM.To exploit the vulnerability, an authenticated attacker would need to place a specially crafted file in a specific location, thereby allowing arbitrary file corruption.The security update addresses the vulnerability by correcting how the process validates the log file., aka 'Microsoft Office Tampering Vulnerability'.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.009 (58.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 58.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
- 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-2020-0697 (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-0697?
- CVE-2020-0697 is a high-severity vulnerability in Microsoft Office 365 Proplus. CVSS score: 7.8/10. Published 2020-02-11.
- How severe is CVE-2020-0697?
- High severity. CVSS v3 base score is 7.8 out of 10.