TI-2018-06095 Aliases CVE-2018-8412 GHSA-345c-xx24-53p2

Improper input validation in Microsoft Office

LOW 37CWE-20Published 2018-08-15 · Updated 2024-08-05

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 3.0 · NVD. Fix status from CNA.

Summary

An elevation of privilege vulnerability exists when the Microsoft AutoUpdate (MAU) application for Mac improperly validates updates before executing them, aka "Microsoft (MAU) Office Elevation of Privilege Vulnerability." This affects Microsoft Office.

Why it matters now

EPSS 0.01351 71st percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Microsoft	Microsoft Office	2016 for Mac	—	No fix listed	CNA

Microsoft Office VendorMicrosoft Affected 2016 for Mac Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:microsoft:office_for_mac:2016:::::::*	2016	Vulnerable	Microsoft

cpe:2.3:a:microsoft:office_for_mac:2016:*:*:*:*:*:*:* Versions 2016 Vulnerable ·Microsoft

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2018-8412
2026-10-03 Alias added: GHSA-345c-xx24-53p2

References

Patch 1

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8412

TI-2018-05921 Improper input validation in Microsoft Office CVSS 3.0HIGH 8.8
TI-2018-06028 A remote code execution vulnerability exists when the Windows font library improperly… CVSS 3.0HIGH 8.8
TI-2018-05907 A remote code execution vulnerability exists in Microsoft Excel software when the… CVSS 3.0HIGH 7.8
TI-2018-05893 A remote code execution vulnerability exists in Microsoft Excel software when the… CVSS 3.0HIGH 7.8
TI-2018-05892 A remote code execution vulnerability exists in Microsoft Excel software when the… CVSS 3.0HIGH 7.8
TI-2017-08773 Memory corruption in Microsoft Office 2016, Microsoft Office 2016 for Mac CVSS 3.0HIGH 7.8

See all 9 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences