SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityDeferred

CVE-2026-86313

Out-of-bounds write vulnerability in Samsung Opensource Walrus allows Overflow Buffers.

HIGH 7.8EPSS 0.12%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.12%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Out-of-bounds write vulnerability in Samsung Opensource Walrus allows Overflow Buffers. This issue affects Walrus: af80e665ea49d9003695a66502f841ed1d8397e7.

CVSS 3.1
7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
0.12% probability · 2th percentile
CISA KEV
Not listed
Weakness
CWE-787
Source
PSIRT@samsung.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.