Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to execute code locally.
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Score 7.3 from GitHub Security Advisory (severity: HIGH) published 2026-02-10. NVD baseline CVSS 7.3; sources differ by 0.0.
Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to execute code locally.
February 10, 2026
February 11, 2026
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.
Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.
Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
Windows 11 25H2 - Heap Overflow
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msrc
CWE-787 · CWE-122