CVE-2026-119999

MediumCVSS 6.5/10Last modified Nov 10, 2026

Description

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-125

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

Vendor	Product	Versions
Microsoft	Microsoft 365 Apps for Enterprise	>= 16.0.1, < https://aka.ms/OfficeSecurityReleases
Microsoft	Microsoft Office 365 for Mac	>= 1.0.0, < 16.115.26110837
Microsoft	Microsoft Office LTSC 2021	>= 16.0.1, < 16.0.14334.21048
Microsoft	Microsoft Office LTSC 2024	>= 16.0.0, < 16.0.17932.21140
Microsoft	Microsoft Office LTSC for Mac 2021	>= 16.0.1, < 16.115.26110837
Microsoft	Microsoft Office LTSC for Mac 2024	>= 16.0.0, < 16.115.26110837

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-119999

Timeline

Published: Nov 10, 2026
Last modified: Nov 10, 2026
NVD status: Undergoing Analysis

Related CVEs from 2026

CVE-2026-12006.3A flaw was found in the rgaufman/live555 fork of live555. A remote attacker could exploit a segmentation fault, in the `increaseBufferTo` fu CVE-2026-120007.5The Page and Post Restriction plugin for WordPress is vulnerable to Sensitive Information Exposure in versions up to and including 1.4.0 via CVE-2026-1200007.5Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.CVE-2026-1200018.8Heap-based buffer overflow in Microsoft Office PowerPoint allows an unauthorized attacker to execute code over a network.CVE-2026-1200029.9Incorrect authorization in Microsoft Office SharePoint allows an authorized attacker to elevate privileges over a network.CVE-2026-1200038.8Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code over a network.CVE-2026-1200058.8Heap-based buffer overflow in Microsoft Office PowerPoint allows an unauthorized attacker to execute code over a network.CVE-2026-1200067.5Insertion of sensitive information into sent data in .NET Aspire allows an authorized attacker to elevate privileges locally.CVE-2026-1200076.5NodeBB 1.18.0 through 4.16.5 contains an authorization bypass vulnerability that allows unauthenticated visitors to act on other accounts by CVE-2026-1200088.2SAP NetWeaver (Internet Graphics Service) does not sufficiently validate certain input values within incoming requests. An unauthenticated u CVE-2026-1200097.2SAP ABAP Developer Tools (AMDP Data Preview) does not perform sufficient validation and authorization checks within certain affected functio CVE-2026-120015.2A hardcoded credential vulnerability exists in the firmware of multiple TP-Link routers (TL-WR845N v4, TL-WR850N v3, TL-WR902AC v4, Archer C