CVE-2026-70217 json
Microsoft Office SharePoint Information Disclosure Vulnerability
published 2026-10-13 26 d ago modified 2026-10-31 8 d ago also EUVD-2026-100167
- cvss
- 4.9
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.0%
- EPSS 1.0% chance of exploitation in 30 days, percentile 62%
- public exploits
- 0
- none known
Summary
Improper access control in Microsoft Office SharePoint allows an authorized attacker to disclose information over a network.
Patch / fix
- Microsoft Microsoft SharePoint Server Subscription Edition 16.0.20326.20190
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 26 d ago
Exploit prediction
0.97% chance of exploitation in the next 30 days, higher than 62% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 4.9 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C |
| CNA | 3.1 | 4.9 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N |
Affected products
- Microsoft Microsoft SharePoint Server Subscription Edition
Classification
- Weakness
-
- CWE-284 Improper Access Control
References
-
msrc.microsoft.com
/update-guide/vulnerability/CVE-2026-70217
vendor-advisory, patch
Sources
- CVE List CVE-2026-70217
- NVD CVE-2026-70217
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.