CVE-2026-33957CWE-787

CVE-2026-33957

Medium · published September 14, 2026

CVSS v3.1
4.2
EPSS
0%
Percentile
2.2
In the wild
Unconfirmed
What it is

An issue was discovered in CustOS Driver in Samsung Mobile Processor Exynos 1580. Requesting oversized shared memory from the custos_iwc device enables out-of-bounds read and write, potentially leading to memory corruption or information leakage.

The record
Technical detail
CVSS v3.1
4.2 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:L
CVSS v4.0
Not supplied
EPSS
0.00127 · 2.2th percentile
Weakness
CWE-787 · Out-of-bounds Write
Published
2026-09-14T06:17Z
References (2)
https://semiconductor.samsung.com/support/quality-support/product-security-updates/ · [email protected]https://semiconductor.samsung.com/support/quality-support/product-security-updates/cve-2026-33957/ · [email protected]
EPSS history
Timeline
  • 15 SEP 03:21Z
    EPSS moved — → 0%
    epss
  • 14 SEP 00:00Z
    An issue was discovered in CustOS Driver in Samsung Mobile Processor Exynos 1580
    cvelistv5