Vulnerability · CVE-2026-70246
Incorrect authorization in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.
Published Oct 13, 2026 · catalog updated Oct 14, 2026 · Microsoft SharePoint
Check if you run it
No confirmed exploitation is on record for CVE-2026-70246. EPSS is 0.75%. Act only if a listed version of Microsoft SharePoint is installed.
Gaps on this record
- No version range is stored. A customer cannot check an installed version against this record.
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
- Severity
- High8.8
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.75%
- Remediation
- Advisory link
- Affected products
- cpe microsoft/sharepoint server · microsoft Microsoft SharePoint Server Subscription Edition · vendor Microsoft Microsoft SharePoint Server Subscription Edition
Incorrect authorization in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- cpe microsoft/sharepoint serverversion unspecified
- microsoft Microsoft SharePoint Server Subscription Editionversion unspecified
- vendor Microsoft Microsoft SharePoint Server Subscription Editionversion unspecified
How to fix CVE-2026-70246
Recommended remediation
A patch or advisory reference is linked. Open the original publisher for availability by product version.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2026-70246. EPSS is 0.75%. Act only if a listed version of Microsoft SharePoint is installed.
Which versions are affected?
Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
CWE-863: Incorrect Authorization. EPSS 0.75%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Oct 13, 2026 · NIST NVD
Detected
Incorrect authorization in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.
Oct 14, 2026 · NIST NVD
Updated
Incorrect authorization in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.
Sources
- CIRCL Vulnerability LookupVulnerability recordCVE-2026-70246
Incorrect authorization in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.
vulnerability.circl.lu - CVE.orgVulnerability recordCVE-2026-70246
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2026-70246
30-day exploitation probability 0.7%
first.org - Microsoft Security Update GuideVendor advisoryCVE-2026-70246
Microsoft SharePoint Server Subscription Edition
msrc.microsoft.com - NIST NVDVulnerability recordCVE-2026-70246
Incorrect authorization in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.
nvd.nist.gov
References
Freshness
Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.