Medium severity · published Oct 13, 2026
CVE-2026-97782
Microsoft Office SharePoint Tampering Vulnerability
6.8
CVSS
0.5%
EPSS
No
On KEV
Description
Observable discrepancy in Microsoft Office SharePoint allows an authorized attacker to perform tampering over a network.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
Attack vector
Network
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 45% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SH
SharePoint · Microsoft
All versions, or not specified · source: NVD
MS
Microsoft SharePoint Server Subscription Edition · Microsoft
All versions, or not specified · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-97782
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-97782
vendor-advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-97782
More from SharePoint
9.8
CVE-2026-58644
Microsoft SharePoint Remote Code Execution Vulnerability
9.8
CVE-2026-50522
Microsoft SharePoint Remote Code Execution Vulnerability
9.8
CVE-2026-56164
Microsoft SharePoint Server Elevation of Privilege Vulnerability
9.8
CVE-2026-20963
Microsoft SharePoint Remote Code Execution Vulnerability
9.8
CVE-2025-53770
Microsoft SharePoint Server Remote Code Execution Vulnerability