CVEvulnerability

CVE-2026-21260

7.5 HIGH Published 2026-02-10 Modified 2026-06-17 Official page ↗
Status
Analyzed
Published
2026-02-10
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weaknesses
CWE-200

Description

Exposure of sensitive information to an unauthorized actor in Microsoft Office Outlook allows an unauthorized attacker to perform spoofing over a network.

Affected configurations

• microsoft 365 apps • microsoft office 2019 • microsoft office long term servicing channel 2021 • microsoft office long term servicing channel 2024 • microsoft outlook 2016 • microsoft sharepoint server (< 16.0.19127.20518) • microsoft sharepoint server 2016 • microsoft sharepoint server 2019

Related

Weakness · CWE (1)

  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor weakness

References