CVE-2026-54124
Windows Terminal Remote Code Execution Vulnerability
HIGH
7.8
CVSS Score
Published: July 14, 2026 at 05:09 PM UTC
Updated: October 8, 2026 at 06:17 PM UTC
8 products affected across 1 vendorWindows Server 2022Windows 10 21H2Windows 10 22H2
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Severity
HIGH7.8
Exploit prediction
EPSS 0.5%
SSVC
No known exploit
Description
Integer overflow or wraparound in Windows Terminal allows an unauthorized attacker to execute code locally.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Affected range stops below 1.24.11321.0, so it looks safe — our inference, not a vendor statement
Affected range stops below 10.0.19044.7548, so it looks safe — our inference, not a vendor statement
Affected range stops below 10.0.19045.7548, so it looks safe — our inference, not a vendor statement
Affected range stops below 10.0.26100.8875, so it looks safe — our inference, not a vendor statement
Affected range stops below 10.0.26200.8875, so it looks safe — our inference, not a vendor statement
Affected range stops below 10.0.28000.2269, so it looks safe — our inference, not a vendor statement
Affected range stops below 10.0.28000.2525, so it looks safe — our inference, not a vendor statement
Affected range stops below 10.0.20348.5386, so it looks safe — our inference, not a vendor statement
Affected range stops below 10.0.26100.33158, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo 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-2026-54124SSVC — Action Prioritization
SSVCNo known exploitNot automatableTotal impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
7.8HIGHmicrosoft
Vector?
Quick Info
StatusANALYZED
CWE
CWE-122CWE-190
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