An elevation of privilege vulnerability exists in Microsoft Office OLicenseHeartbeat…
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
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'.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-0697
- 2026-10-03 Alias added: GHSA-2cgq-hh5m-vc66
More Microsoft Office 365 Proplus vulnerabilities
- TI-2019-01013 A remote code execution vulnerability exists in Microsoft Excel software when the… KEVCVSS 3.1HIGH 8.8
- TI-2019-00335 Command injection in Microsoft Office KEVCVSS 3.1HIGH 8.8
- TI-2019-00377 A remote code execution vulnerability exists in Microsoft Word software when it fails to… CVSS 3.0HIGH 8.8
- TI-2019-01151 A remote code execution vulnerability exists in Microsoft Excel software when the… CVSS 3.1HIGH 7.8
- TI-2019-01045 A remote code execution vulnerability exists in Microsoft Excel software when the… CVSS 3.1HIGH 8.8
- TI-2018-06240 A remote code execution vulnerability exists in Microsoft Outlook software when it fails… CVSS 3.0HIGH 7.8
Sources
- CVE-2020-0697 · CVE Program
- CVE-2020-0697 · NVD
- FIRST EPSS
- GHSA-2cgq-hh5m-vc66 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences