PT-2025-6303 · Microsoft · Outlook

Jérémie Fréreault · Published 2025-02-11 · Updated 2025-02-28 · CVE-2025-21259

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Name of the Vulnerable Software and Affected Versions: Microsoft Outlook (affected versions not specified)

Description: The issue concerns a spoofing vulnerability in Microsoft Outlook. It is related to errors in the representation of information by the user interface. Exploitation of this issue may allow a remote attacker to conduct spoofing attacks.

Recommendations: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

UI Misrepresentation of Critical Information

Weakness Enumeration

CWE-451

Related Identifiers

BDU:2025-01618

CVE-2025-21259

Affected Products

Outlook

References · 6

• https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2025-21259 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2025-21259 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21259 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-01618 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-21259 · Security Note
• https://t.me/cvenotify/112804 · Telegram Post