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Medium 4.2Published Sep 14, 2026
CVE-2026-33957An issue was discovered in CustOS Driver in Samsung Mobile Processor Exynos 1580.
Updated under an hour ago ()
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It affects Samsung Exynos 1580 firmware. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 4.2 MEDIUM (v3.1, CNA)CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:L
- Weakness (CWE)
- CWE-787
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- mitre
- NVD analysis
- Awaiting Analysis
- Record last updated
- Sep 14, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Samsung Exynos 1580 firmware samsung:exynos_1580_firmware (from the name) | through 2026-01-07 | CNA record |
References
- https://semiconductor.samsung.com/support/quality-support/product-security-updates/
- https://semiconductor.samsung.com/support/quality-support/product-security-updates/cve-2026-33957/
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.