CVE-2020-0697: microsoft office_365_proplus
Vulnerability summary
CVE-2020-0697 is a high (CVSS 7.8) vulnerability in microsoft office_365_proplus. EPSS estimates a 0.90% chance of exploitation in the next 30 days, higher than 59.1% of scored vulnerabilities.
Timeline
- 11-02-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
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'.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
0.90%
Chance of exploitation in the next 30 days
Percentile
59%
Versus all other CVEs
30-day change
0.00 pp
From 0.90% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Microsoft1 product
- office_365_proplus32-bit Systems | 64-bit Systems | na
1 vendor · 1 product
References
1 links
portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0697X Refsource MISCPatchVendor Advisory