SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2026-69739

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

HIGH 7.5EPSS 0.87%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.87%). 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 allows an unauthorized attacker to disclose information over a network.

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS
0.87% probability · 57th percentile
CISA KEV
Not listed
Weakness
CWE-125
Affected
microsoft/365 apps · microsoft/office 2016 · microsoft/office 2019 · microsoft/office 2021 · microsoft/office 2024
Source
secure@microsoft.com

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