HIGH

CVE-2026-45586

Windows Collaborative Translation Framework (CTFMON) Elevation of Privilege Vulnerability

CVSS v3

7.8

HIGH

EPSS Score

3.0%

exploit probability

CISA KEV

known exploited

Exploitation

none

SSVC status

Description

Microsoft Security Update (CVE-2026-45586)

Technical details

CVSS v3 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Published: 6/19/2026
MSRC Title: Windows Collaborative Translation Framework (CTFMON) Elevation of Privilege Vulnerability

Frequently asked questions

What is CVE-2026-45586?

Microsoft Security Update (CVE-2026-45586)

Is CVE-2026-45586 actively exploited?

Active exploitation of CVE-2026-45586 has not been confirmed. The EPSS score is 3.0%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-45586?

CVE-2026-45586 has a CVSS v3 base score of 7.8 (HIGH severity), with vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C.

Is CVE-2026-45586 affecting your environment?

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