CVE-2026-92961
CVSS v3
7.5
HIGH
EPSS Score
0.5 %
exploit probability, as of 2026-09-28
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
vm2 before 3.11.6 fails to enforce bufferAllocLimit on ArrayBuffer, SharedArrayBuffer, and TypedArray constructors, allowing attackers to allocate arbitrary host memory. Attackers can bypass the buffer allocation cap by using these V8 intrinsics to exhaust host process memory and trigger out-of-memory conditions.
Technical details
- Published
- 2026-09-17
- Last Modified
- 2026-09-17
Frequently asked questions
What is CVE-2026-92961?
vm2 before 3.11.6 fails to enforce bufferAllocLimit on ArrayBuffer, SharedArrayBuffer, and TypedArray constructors, allowing attackers to allocate arbitrary host memory. Attackers can bypass the buffer allocation cap by using these V8 intrinsics to exhaust host process memory and trigger out-of-memory conditions.
Is CVE-2026-92961 actively exploited?
Active exploitation of CVE-2026-92961 has not been confirmed. Its EPSS score was 0.5% on 2026-09-28, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2026-92961?
CVE-2026-92961 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2026-92961 affecting your environment?
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