Reference page — cumulative record through Monday, October 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
CVE-2026-97783
Microsoft Office SharePoint Spoofing Vulnerability
AV AC PR UI S C I A CVSS EPSS %ile KEV
N L N R C L L N 6.1 .0050 41.2 —
AFFECTED
Product Versions Fixed
Microsoft SharePoint Server 2019 - – —
TIMELINE
Sep 25 Reserved by microsoft
Oct 13 Published (CNA: microsoft)
Oct 14 RESCORED — CVE-2026-97783 (Microsoft SharePoint Server 2019). CVSS 8.1 → 6.1 (NVD).
Description
Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
| September 25, 2026 | Reserved | Reserved by microsoft |
| October 13, 2026 | Published | Published (CNA: microsoft) |
| October 14, 2026 | RESCORED | RESCORED — CVE-2026-97783 (Microsoft SharePoint Server 2019). CVSS 8.1 → 6.1 (NVD). |
Affected
Affected products and packages — 1 row
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
| Microsoft | Microsoft SharePoint Server 2019 | — | - | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-97783 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Monday, October 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.