CVE-2026-97003
Microsoft — Microsoft Office Excel Remote Code Execution Vulnerability
Patch Tuesday
What EVULNABLE says
An EPSS probability of 0.007, and CVSS base score 8.8.
Scheduled Maintenance
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 | What it means |
|---|---|---|---|
| CVSS base score | 8.8 | — | How severe the flaw is in itself. It does not say how likely an attack is. |
| FIRST EPSS | 0.007 (53rd pctl) | FIRST | FIRST's estimate of the chance this is exploited in the next 30 days, and how that ranks against all CVEs. |
| Actively exploited | Not confirmed | Patch Tuesday | Whether a source of record has confirmed attacks using it in the wild. |
| Fixed in | office online server: update to 16.0.10417.20228 or later | NVD | The version(s) the vendor has published as fixed, where NVD records one. |
| Public exploit module | None known | Metasploit | Module existing is not the same as active exploitation. |
| EUVD cross-reference | Listed | ENISA EUVD | ENISA's own vulnerability database entry for this CVE, where one exists. |
Impacted software or hardware
- 365 apps Software
- microsoft 365 Software
- office 2021 Software
- office 2024 Software
- office online server Software — < 16.0.10417.20228
Fixed versions: office online server: update to 16.0.10417.20228 or later
Remediation: Apply the vendor patch or guidance: https://github.com/advisories/GHSA-5hqx-wmcq-rhhj | https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-97003
Remediation basis: External remediation intelligence
ENISA EUVD also lists this CVE at CVSS 8.8 (v3.1), assigned by microsoft. Source: euvd.enisa.europa.eu.
2 days recorded, 2026-10-14 to 2026-10-15
0.72% as of 2026-10-15 (53rd percentile). FIRST EPSS, recorded daily since this page started tracking it.
2026-10-14
2026-10-15
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-2026-97003 is one of the entries ranked on the priority feed and in this month's Microsoft release.