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CVE-2026-119988

7.1, high

Numeric truncation error in Windows SMB allows an authorized attacker to execute code over a network

NVD (opens in a new tab) CVE.org (opens in a new tab)
CVSS
7.1, high high CVSS v3.1
EPSS, next 30 days
n/a
Exploitation
No public evidence
Published
10 Nov 2026yesterday

Description

Numeric truncation error in Windows SMB allows an authorized attacker to execute code over a network.

Details

Vendor
Microsoft
Product
Windows 10 Version 1607
Weakness
CWE-197 (opens in a new tab)
Status
Awaiting analysis
Updated
10 Nov 2026
Assigner
secure@microsoft.com

CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H

References 1

Advisories 1

The kind is read from NVD's tags where present and from the shape of the URL otherwise, so treat it as a hint.

Other Microsoft CVEs

Every Microsoft CVE we hold

Same vendor in what we hold, not a known link between the flaws.

  • CVE-2026-124194 Microsoft Office Outlook Missing User Interaction for Potentially Unsafe Action Vulnerability KEV 6.5, medium
  • CVE-2026-96951 Microsoft Windows Command Injection Vulnerability KEV EPSS 10% 8.8, high
  • CVE-2026-81963 Microsoft Windows Link Following Vulnerability KEV EPSS 0.4% 7.8, high
  • CVE-2026-85880 Microsoft Windows Heap-Based Buffer Overflow Vulnerability KEV EPSS 0.4% 7.8, high
  • CVE-2026-65660 Microsoft SharePoint Code Injection Vulnerability KEV EPSS 10% 8.8, high
  • CVE-2026-68820 Microsoft Windows Ancillary Function Driver for WinSock Use-After-Free Vulnerability KEV EPSS 9% 7, high
  • CVE-2026-50522 Microsoft SharePoint Deserialization of Untrusted Data Vulnerability KEV EPSS 3% 9.8, critical
  • CVE-2026-56155 Microsoft Active Directory Federation Services Insufficient Granularity of Access Control Vulnerability KEV EPSS 0.3% 7.8, high

Beyond this page

Is CVE-2026-119988 in your network?

This page tells you how dangerous CVE-2026-119988 is out there. Whether it sits on one of your devices, only a scan of your own network can tell. That is what our systems do, every day, for the companies we protect.

  • EXYS7600 OCELOT

    Find it before attackers do

    Ocelot scans your network on a schedule and reports every vulnerability it finds by its CVE identifier, with its CVSS score and how many of your hosts are affected. A finding like CVE-2026-119988 comes with the devices to patch.

    Learn more about EXYS7600 OCELOT

  • EXYS7950 KONDRA

    Detect it if it's exploited

    Until the patch is applied, Kondra monitors your network, events and endpoints in real time. It keeps an inventory of the software installed on every endpoint, and its anomaly detection rules flag what an attacker does once inside.

    Learn more about EXYS7950 KONDRA
Check your exposure

Assembled from the NVD 2.0 API, the CISA Known Exploited Vulnerabilities Catalog and FIRST EPSS. Scores are as of our last collection on 11 Nov 2026, not the live upstream state.