CVE-2026-50347: Windows Data.dll Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows Data dll allows an unauthorized attacker to execute code locally.
CSIRTS triage
- What
- Heap-based buffer overflow in Windows Data dll allows an unauthorized attacker to execute code locally.
- Who is affected
- Unauthorized users targeting Windows Data.dll.
- Urgency
- Remediation is urgent due to high severity and potential for remote code execution.
- Action
- Apply the latest security patch for Windows Data.dll.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50347
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-2026-503470.43% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 36% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-50347 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
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