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CVE-2026-83754

Microsoft OpenSSH for Windows Remote Code Execution Vulnerability

HIGH
7.5
CVSS Score
Published: October 13, 2026 at 06:59 PM UTC
Updated: October 28, 2026 at 06:11 PM UTC
11 products affected across 1 vendorWindows Server 2019Windows 10 1809Windows Server 2022

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Severity
HIGH7.5
Exploit prediction
EPSS 0.7%
SSVC
No known exploit

Description

Heap-based buffer overflow in OpenSSH for Windows allows an unauthorized attacker to execute code over a network.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor AdvisoryPatch
Source: cverecord
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83754

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHmicrosoft
Vector?

Quick Info

StatusUNDERGOING ANALYSIS
CWE
CWE-122

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