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UK Cyber Defence
VulnerabilityAnalyzed

CVE-2026-105595

Out-of-bounds read in Microsoft Office Access allows an unauthorized attacker to execute code over a network.

HIGH 8.8EPSS 0.82%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.82%). 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 Access allows an unauthorized attacker to execute code over a network.

CVSS 3.1
8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
0.82% probability · 57th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-125
Affected
microsoft/365 apps · microsoft/office 2021 · microsoft/office 2024
Source
secure@microsoft.com
EPSS trend
0%3%5%14 October 2026: 0.74%26 October 2026: 0.82%14 October 202626 October 2026

EPSS moved from 0.7% on 14 October 2026 to 0.8% on 26 October 2026.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.