PT-2026-7362 · Microsoft · Outlook+1

Erpaciocco · Published 2026-02-10 · Updated 2026-02-10 · CVE-2026-21260

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:C/I:N/A:N

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

Description A flaw exists in Microsoft Office Outlook that could allow an unauthorized attacker to perform spoofing over a network, potentially exposing sensitive information. This issue allows attackers to affect the system through spoofing techniques.

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

Information Disclosure

Weakness Enumeration

CWE-200

Related Identifiers

BDU:2026-01783

CVE-2026-21260

Affected Products

Outlook

Sharepoint Server

References · 5

• https://osv.dev/vulnerability/CVE-2026-21260 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-01783 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-21260 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-21260 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21260 · Vendor Advisory