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CVE-2026-48574: Windows Media Remote Code Execution Vulnerability

highCVSS 7.8CVE-2026-48574
Heap-based buffer overflow in Windows Media allows an unauthorized attacker to execute code locally.

CSIRTS triage

vendor: Microsoftproduct: Windows MediaRemote code execution
What
A heap-based buffer overflow allows unauthorized code execution.
Who is affected
Users of Windows Media are affected by this vulnerability.
Urgency
High urgency for remediation due to the potential for remote code execution with a CVSS score of 7.8.
Action
Apply the latest security patch to mitigate this vulnerability.

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

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Details

Source
Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity
high — CVSS 7.8
Published
2026-06-09
Exploitation
Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-48574

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.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2026-48574coverage & exploitation statusNVD · CVE.org

Recent advisories for Windows Media Remote

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.

More from Microsoft Security Response Center