[NEW] [high] Microsoft Windows Terminal and 365 Copilot: Multiple Vulnerabilities

highCVE-2026-54124 CVE-2026-58595 CVE-2026-50438 CVE-2026-58636 CVE-2026-41106 CVE-2026-48561

An attacker can exploit multiple vulnerabilities in Microsoft Windows Terminal and Microsoft 365 Copilot to execute arbitrary code, present false information, and escalate their privileges.

CSIRTS triage

vendor: Microsoft product: Windows Terminal and 365 Copilot Remote code execution Privilege escalationOther

What: Multiple vulnerabilities allow an attacker to execute arbitrary code and escalate privileges.
Who is affected: Users of Microsoft Windows Terminal and Microsoft 365 Copilot are affected.
Urgency: Remediation is high priority due to the potential for exploitation.
Action: Update Microsoft Windows Terminal and 365 Copilot to the latest versions.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source: CERT-Bund (BSI) Security Advisories (DE · national-cert · site)
Severity: high
Published: 2026-07-15
Exploitation: Not in CISA KEV at last sync
Language: Machine-translated to English — verify against the original

Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2320

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2026-541240.43% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 36% of all scored CVEs.
Low exploitation riskCVE-2026-585950.46% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 37% of all scored CVEs.
Low exploitation riskCVE-2026-504380.28% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 20% of all scored CVEs.
Low exploitation riskCVE-2026-586360.27% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 19% of all scored CVEs.
Low exploitation riskCVE-2026-411060.53% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 42% of all scored CVEs.
Low exploitation riskCVE-2026-485610.76% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 52% of all scored CVEs.
Low exploitation riskCVE-2026-586170.74% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 51% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-54124	coverage & exploitation status	NVD · CVE.org
CVE-2026-58595	coverage & exploitation status	NVD · CVE.org
CVE-2026-50438	coverage & exploitation status	NVD · CVE.org
CVE-2026-58636	coverage & exploitation status	NVD · CVE.org
CVE-2026-41106	coverage & exploitation status	NVD · CVE.org
CVE-2026-48561	coverage & exploitation status	NVD · CVE.org
CVE-2026-58617	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

Recent advisories for Microsoft Windows Terminal

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

medium[NEW] [medium] Microsoft Windows Terminal: Vulnerability allows code executioncert-bund · 2026-07-17