INTEL_REPORT
Microsoft Security Blog · published 5/2/2026, 3:06:08 AM · TLP amber
Summary
Ingested excerpt (first ~500 chars of normalized text).
CVE-2026-31431: Copy Fail vulnerability enables Linux root privilege escalation across cloud environments A high-severity Linux vulnerability, “Copy Fail” (CVE-2026-31431), enables root privilege escalation across cloud environments and Kubernetes workloads. With a working exploit already in the wild, organizations should act quickly to detect, mitigate, and reduce risk. The post CVE-2026-31431: Copy Fail vulnerability enables Linux root privilege escalation across cloud env…
https://www.microsoft.com/en-us/security/blog/2026/05/01/cve-2026-31431-copy-fail-vulnerability-enables-linux-root-privilege-escalation
sha256:d6b9899dd1eafb81bbc4711959ff1daa15d85313135150037ca30e5d8192657d
What we pulled out
Deterministic extractor (IOC + allowlisted tokens + ATT&CK IDs present in DB).
Indicators
Linked with report → mentions → indicator. Values open the indicator workspace.
| Type | Value | Link |
|---|---|---|
| cve | CVE-2026-31431 | Open → |
Malware families
Allowlist token matches only.
Threat actors mentioned
Allowlist mentions — not a formal attribution verdict.
ATT&CK techniques
MITRE IDs referenced in text and present in local technique table.
CONTINUE INVESTIGATION
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