CVE-2026-70217
Microsoft Office SharePoint Information Disclosure Vulnerability
Improper access control in Microsoft Office SharePoint allows an authorized attacker to disclose information over a network.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Microsoft Office SharePoint Information Disclosure Vulnerability
Improper access control in Microsoft Office SharePoint allows an authorized attacker to disclose information over a network.
- Record
CVE-2026-70217- CVSS 3.1
- 4.9 Medium
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 - Weakness
- CWE-284
- Updated
- 2026-11-02
EUVDEUVD-2026-100167
Improper access control in Microsoft Office SharePoint allows an authorized attacker to disclose information over a network.
- Record
EUVD-2026-100167- CVSS 3.1
- 4.9 Medium
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 - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-xw63-c8vr-8cc7
Improper access control in Microsoft Office SharePoint allows an authorized attacker to disclose...
Improper access control in Microsoft Office SharePoint allows an authorized attacker to disclose information over a network.
- Record
GHSA-xw63-c8vr-8cc7- CVSS 3.1
- 4.9 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-284
- Updated
- 2026-11-02
NVD
Improper access control in Microsoft Office SharePoint allows an authorized attacker to disclose information over a network.
- Record
CVE-2026-70217- CVSS 3.1
- 4.9 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-284
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-70217 is a medium vulnerability (CVSS 4.9) in Microsoft Sharepoint Server Subscription Edition, published October 13, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.97%, the 62nd percentile. No source names a fixed version.