SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2025-26630

Use after free in Microsoft Office Access allows an unauthorized attacker to execute code locally.

HIGH 7.8EPSS 0.95%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.95%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Use after free in Microsoft Office Access allows an unauthorized attacker to execute code locally.

CVSS 3.1
7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
0.95% probability · 59th percentile
CISA KEV
Not listed
Weakness
CWE-416
Affected
microsoft/365 apps · microsoft/access · microsoft/office · microsoft/office long term servicing channel
Source
secure@microsoft.com

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