PT-2026-58506 · Microsoft · Windows

CVE-2026-50686 · Published 2026-07-14 · Updated 2026-07-23

Positive Technologies (AI Summary)

CVSS v3.1

8.1

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Windows (affected versions not specified)

Description An issue in Windows OLE (Object Linking and Embedding) allows an unauthorized attacker to execute arbitrary code over a network. This occurs due to type confusion, which happens when a program accesses a resource using a type that is incompatible with the actual type of the resource.

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

RCE

DoS

Type Confusion

Weakness Enumeration

CWE-843

Related Identifiers

BDU:2026-10538

CVE-2026-50686

Affected Products

Windows

References · 7

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50686 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-10538 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-50686 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2026-50686 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-50686 · Security Note
• https://t.me/cveNotify/209948 · Telegram Post
• https://t.me/cveNotify/214050 · Telegram Post