What EVULNABLE says
CVSS base score 5.5, and Microsoft Exploitability Index: Exploitation Unlikely.
Monitor
CVE-2026-63528
Microsoft — Microsoft Office Word Information Disclosure Vulnerability
Patch Tuesday
The priority band answers “how soon”, not “how bad” — see Methodology for what it weighs and where it abstains.
The evidence behind it
| Measure | Value | Source |
|---|---|---|
| CVSS base score | 5.5 | — |
| FIRST EPSS | 0.003 (27.4th pctl) | FIRST |
| Actively exploited | Not confirmed | Patch Tuesday |
The primary records
This page is an opinion about urgency. Where it and a source of record disagree, the source of record is the record.
Where this sits
CVE-2026-63528 is one of the entries ranked on the priority feed and in this month's Microsoft release.