BlackTreeCVE IntelligenceSeptember 2025 Patch TuesdayMSRC-2025-09-microsoft-office-mauNormal patch window
Microsoft · MSRC-2025-09-microsoft-office-mau
Linked CVE review
Deploy Microsoft Microsoft Office update for Microsoft AutoUpdate for Mac
- Linked CVEs
- 1
- Confirmed exploited
- 0
- PoC or lab evidence
- 0
- Maximum CVSS
- 7.8
Confirmed exploitation, public exploit material, EPSS probability and CVSS severity answer different questions. “No confirmation recorded” means the checked sources do not currently confirm exploitation. It is not proof that exploitation has not occurred.
1 of 1 linked CVEs shown
Confirmed exploitedCVSS above 9.0
| CVE and description | Severity | Exploit reality | Forecast and access | Remediation |
|---|---|---|---|---|
CVE-2025-55317 Scheduled assessment Microsoft AutoUpdate (MAU) Elevation of Privilege VulnerabilityImproper link resolution before file access ('link following') in Microsoft AutoUpdate (MAU) allows an authorized attacker to elevate privileges locally. | 7.8 · CVSS 3.1 · HighSource: CNA | No confirmation recordedNo CISA KEV match was present at the last successful refresh. This means no confirmation from that source, not proof of no exploitation.None recordedNo exploit-tagged reference or CISA SSVC proof-of-concept state is currently recorded. Research may still exist outside the structured feeds. | EPSS: 0.42% · 34.7th percentileForecast date: 2026-10-09LOCAL · LOW complexity · LOW privileges · NONE user interaction | Within 7 daysHigh technical severity; prioritise exposed affected systems while verifying vendor guidance.Awaiting fix. No fixed version is explicitly recorded in the structured CVE data. |