HIGH 7.8 Microsoft PoC
CVE-2026-46300
net: skbuff: preserve shared-frag marker during coalescing
Microsoft Security Update 2026-May: net: skbuff: preserve shared-frag marker during coalescing
Affected Products
- azl3 kernel 6.6.139.1-1 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-46300
- https://nvd.nist.gov/vuln/detail/CVE-2026-46300
This high severity vulnerability with a CVSS score of 7.8 was published on 2026-05-12 via Microsoft. 🚨 A public proof-of-concept exploit is available on GitHub. EPSS score: 7.0% (top 6% of all CVEs by exploitation probability). Affected: azl3 kernel 6.6.139.1-1 on Azure Linux 3.0.
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