SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2025-59235

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

HIGH 7.1EPSS 0.61%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.61%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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

CVSS 3.1
7.1 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
EPSS
0.61% probability · 48th percentile
CISA KEV
Not listed
Weakness
CWE-125
Affected
microsoft/365 apps · microsoft/access · microsoft/excel · microsoft/office · microsoft/office long term servicing channel · microsoft/office online server · microsoft/sharepoint server
Source
secure@microsoft.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.