Vulnerability · Published Oct 13, 2026 · Assigned by microsoft

CVE-2026-97014Microsoft Office Excel Information Disclosure Vulnerability

Medium 5.5

In plain English

A medium-severity out-of-bounds read in Microsoft 365 Apps for Enterprise from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 43% of all known vulnerabilities).

Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)0.5%top 57.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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

Affected products (as reported)

VendorProductVersions
Microsoft Microsoft 365 Apps for Enterprise 16.0.1 – before https://aka.ms/OfficeSecurityReleases
Microsoft Microsoft Office LTSC 2021 16.0.1 – before 16.0.14334.20974
Microsoft Microsoft Office LTSC 2024 16.0.0 – before 16.0.17932.21056

Weakness: CWE-125 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C

References