What’s Vulnerable › Vulnerabilities

CVE-2026-21066

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-10 · updated 2026-10-23
• Weakness: CWE-20

Description

Improper input validation in libcodec2_sec_flacdec.so prior to SMR Aug-2026 Release 1 allows local attackers to write out-of-bounds memory.

Affected products

• Samsung Android: 14.0, 14.0-smr-apr-2022-r1, 14.0-smr-apr-2023-r1, 14.0-smr-apr-2024-r1, 14.0-smr-apr-2025-r1, 14.0-smr-apr-2026-r1 (+85)

References

• https://security.samsungmobile.com/securityUpdate.smsb?year=2026&month=08

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