CVE-2026-20989
Awaiting Analysis Awaiting Analysis - Queue
Improper Signature Verification in Font Settings Enables Unauthorized Font Use

Publication date: 2026-03-16

Last updated on: 2026-03-20

Assigner: Samsung Mobile

Description
Improper verification of cryptographic signature in Font Settings prior to SMR Mar-2026 Release 1 allows physical attackers to use custom font.
CVSS Scores
EPSS Scores
Probability:
Percentile:
Meta Information
Published
2026-03-16
Last Modified
2026-03-20
Generated
2026-06-16
AI Q&A
2026-03-16
EPSS Evaluated
2026-06-15
NVD
EUVD
Affected Vendors & Products
Showing 8 associated CPEs
Vendor Product Version / Range
samsung android 16.0
samsung android 16.0
samsung android 16.0
samsung android 16.0
samsung android 16.0
samsung android 16.0
samsung android 16.0
samsung android 16.0
Helpful Resources
Exploitability
CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-347 The product does not verify, or incorrectly verifies, the cryptographic signature for data.
Attack-Flow Graph
AI Quick Actions
Instant insights powered by AI
Executive Summary

This vulnerability involves improper verification of cryptographic signatures in the Font Settings component of Samsung devices prior to the SMR Mar-2026 Release 1.

Because of this flaw, physical attackers can exploit the system by using custom fonts that are not properly verified, potentially bypassing security measures.

Impact Analysis

The vulnerability allows physical attackers to use custom fonts by bypassing cryptographic signature verification.

This could lead to unauthorized modifications or manipulations of the device's font settings, which might be leveraged for further attacks or to compromise device integrity.

Compliance Impact

I don't know

Detection Guidance

I don't know

Mitigation Strategies

I don't know

Chat Assistant
Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-20989. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70
EPSS Chart