CVE-2026-124228 | BDVDB-2026-404620 Detail

MicrosoftMicrosoft 365 Apps for Enterprise

Description#

Improper limitation of a pathname to a restricted directory ('path traversal') in Microsoft Office Outlook allows an authorized attacker to execute code over a network.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: network.

Weaknesses#

CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

References#

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-124228

Exploit#

No public exploit known

History#

Version 12026-11-10Record published in the CVE List.

Published

Published: 2026-11-10
Last modified: 2026-11-10

Vendor information

Vendor: Microsoft
Product: Microsoft 365 Apps for Enterprise

All Microsoft vulnerabilities

Score

8.8 High

EPSS

Not available

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Path Traversal

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
>= 16.0.1 and < https://aka.ms/OfficeSecurityReleases
Fixed
https://aka.ms/OfficeSecurityReleases

Scoring System

CVSS v4.0

Not available

CVSS v3.1

8.8 High

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	Low
User Interaction	None
Scope	Unchanged
Confidentiality	High
Integrity	High
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).