CVE-2026-48183

Improper Permission Handling in Buffer Operations Enables Unauthorized Memory Mappings

Published Nov 5, 2026 CVSS 3.1 · 9.1 Critical EPSS < 1% KEV · Not listed
Description
Improper permission handling during buffer operations allows untrusted applications to create memory mappings with inappropriate permissions

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 9.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H'}

Type Values Removed Values Added
First Time appeared Samsung Semiconductor
Samsung Semiconductor exynos 1480
Samsung Semiconductor exynos 1580
Samsung Semiconductor exynos 1680
Samsung Semiconductor exynos 2400
Samsung Semiconductor exynos 2500
Samsung Semiconductor exynos 2600
Vendors & Products Samsung Semiconductor
Samsung Semiconductor exynos 1480
Samsung Semiconductor exynos 1580
Samsung Semiconductor exynos 1680
Samsung Semiconductor exynos 2400
Samsung Semiconductor exynos 2500
Samsung Semiconductor exynos 2600
Type Values Removed Values Added
Title Improper Permission Handling in Buffer Operations Enables Unauthorized Memory Mappings
Type Values Removed Values Added
Description Improper permission handling during buffer operations allows untrusted applications to create memory mappings with inappropriate permissions
Weaknesses CWE-281
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
samsungsemiconductor
Published
Updated
Nov 10, 2026, 1:57 PM
Reserved
May 21, 2026, 4:23 AM
Status
Deferred
Published
Nov 5, 2026, 3:17 AM
Modified
Nov 10, 2026, 2:17 PM