CVE-2026-86315

6.2 mediumEPSS 0.2%

Medium (6.2). EPSS 0.2% chance of exploitation in the next 30 days.

An out-of-bounds write caused by numeric truncation Samsung Open Source Escargot on Linux x86-64 allows an attacker who can supply JavaScript for execution to corrupt native memory and crash the host process via a crafted class definition whose instance initialization entry count exceeds UINT16_MAX. This issue affects Escargot: 5dc93606abd42b859045add05d704a038e197359.

Severity

CVSS 3.1

6.2 medium

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 6% of CVEs (scores of 2026-10-31)
CWE: CWE-197
Published: 2026-09-07
Modified: 2026-09-28
Record from: the NVD, synced 2026-10-19

References

https://github.com/Samsung/escargot/pull/1660

Check your stack JSON