CVE-2026-50327: Windows Media Remote Code Execution Vulnerability

highCVSS 7.8CVE-2026-50327

Heap-based buffer overflow in Windows Media allows an authorized attacker to execute code locally.

CSIRTS triage

vendor: Microsoft product: Windows Media Remote code execution

What: Heap-based buffer overflow in Windows Media allows an authorized attacker to execute code locally.
Who is affected: Deployments of Windows Media.
Urgency: Remediation is urgent due to the high severity and potential for remote code execution.
Action: Apply the latest security patch as soon as it is available.

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: 2026-07-14
Exploitation: Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50327

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-2026-503270.35% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 27% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-50327	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 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.

mediumCVE-2026-17846: Inappropriate implementation in Media in Google Chrome on Windows prior to 151.0.7922.72 allow…nvd · 2026-07-30
highCVE-2026-17723: Use after free in Media in Google Chrome on Windows prior to 151.0.7922.72 allowed a remote at…nvd · 2026-07-30
mediumCVE-2026-17707: Uninitialized Use in Media in Google Chrome on Windows prior to 151.0.7922.72 allowed a remote…nvd · 2026-07-30
mediumCVE-2026-17706: Insufficient validation of untrusted input in Media in Google Chrome on Windows prior to 151.0…nvd · 2026-07-30
mediumCVE-2026-15771: Insufficient validation of untrusted input in Media in Google Chrome on Windows prior to 150.0…nvd · 2026-07-14
highCVE-2026-57087: Microsoft Windows Media Foundation Remote Code Execution Vulnerabilitymsrc · 2026-07-14