CVE-2026-102866Vulnerability

1. “…026-19491 (IBM Verify Identity Access and Security Verify Access), CVE-2026-96951, CVE-2026-108398, CVE-2026-92707, CVE-2026-70242, CVE-2026-102866, CVE-2026-105016, CVE-2026-65674, CVE-2026-83498 (Microsoft Windows), CVE-2026-74580 aka Vghost, CVE-2026-99999 aka PwnEscape (Linux…”

   The Hacker NewsNews19 Oct 2026
   ⚡ Weekly Recap: 98 Zero-Days, Rogue AI Agents, $100M Crypto Theft, 700 Supermarkets Hit and More

2. “Other high-priority threats include a critical unauthenticated SharePoint privilege escalation bug (CVE-2026-102866), a high-scoring SQL Server remote code execution flaw (CVE-2026-65674), and a massive wave of 59 potentially wormable vulnerabilities spanning core network service…”

   Security AffairsNews14 Oct 2026
   Microsoft Patch Tuesday Sets New Record with 1,415 CVEs in October 2026 Updates

3. “CVE-2026-102866”

   INCIBE-CERTGovernment14 Oct 2026
   Boletín mensual de seguridad de Microsoft de octubre de 2026

4. “Dustin Childs, Head of Threat Awareness of TrendAI’s Zero Day Initiative, flagged CVE-2026-102866 as important to address quickly.”

   Help Net SecurityNews14 Oct 2026
   Microsoft fixes exploited Mark of the Web bypass vulnerability (CVE-2026-96951)

5. “Bulletin de sécurité Microsoft CVE-2026-102866 du 13 octobre 2026”

   CERT-FRGovernment14 Oct 2026
   Multiples vulnérabilités dans les produits Microsoft (14 octobre 2026)

6. “CVE-2026-102866 Microsoft Office SharePoint Elevation of Privilege Vulnerability An improper verification of a cryptographic signature flaw in Microsoft Office SharePoint allows an unauthenticated attacker to elevate privileges over a network.”

   Qualys Threat ResearchVendor13 Oct 2026
   Microsoft Patch Tuesday, October 2026 Security Update Review

7. “CVE-2026-102866 is an elevation of privilege vulnerability that affects Microsoft Office SharePoint.”

   Cisco TalosVendor13 Oct 2026
   Microsoft Patch Tuesday for October 2026 — Snort rules and prominent vulnerabilities

8. “CVE-2026-102866”

   SANS Internet Storm CenterVendor13 Oct 2026
   October 2026 Microsoft Patch Tuesday, (Tue, Oct 13th)

9. “| CVE-2026-102866 | 8.10 | Verkrijgen van verhoogde rechten |”

   NCSC-NL advisoriesGovernment13 Oct 2026
   NCSC-2026-0422 [1.00] [M/H] Kwetsbaarheden verholpen in Microsoft Office

Also named with it: CVE-2026-96951, CVE-2026-70242, CVE-2026-105718, CVE-2026-100209, CVE-2026-100210, CVE-2026-100211, CVE-2026-97739, CVE-2026-97741, CVE-2026-97742, CVE-2026-97745, CVE-2026-97753, CVE-2026-97755, CVE-2026-97756, CVE-2026-97758, CVE-2026-97759, CVE-2026-97761, CVE-2026-97765, CVE-2026-97767, CVE-2026-97776, CVE-2026-97778