CVE-2026-88163
Integer overflow or wraparound in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
Published Oct 13, 2026 · updated Oct 14, 2026 · Microsoft Microsoft SharePoint Server Subscription Edition
Integer overflow or wraparound in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
Timeline
Detection, updates, and resolution for this record.
Oct 13, 2026 · NIST NVD
Detected
Integer overflow or wraparound in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
Oct 14, 2026 · NIST NVD
Updated
Integer overflow or wraparound in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
Affected
- cpe microsoft/sharepoint serverversion unspecified
- vendor Microsoft Microsoft SharePoint Server Subscription Editionversion unspecified
Sources
- CIRCL Vulnerability LookupCVE-2026-88163
Integer overflow or wraparound in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
vulnerability.circl.lu - CVE.orgCVE-2026-88163
Official CVE identifier
cve.org - FIRST EPSSCVE-2026-88163
30-day exploitation probability 0.8%
first.org - NIST NVDCVE-2026-88163
Integer overflow or wraparound in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
nvd.nist.gov