🛡️ CVE-2026-21062 — android

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is low, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality low, integrity none, availability none.

CVSS metrics in full

The score comes from this vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

• Attack vector: Local — a local account, shell or session on the host is needed.
• Attack complexity: Low — the attack works reliably, with no preparation.
• Privileges required: Low — an ordinary user account is enough.
• User interaction: None — nobody has to be tricked into anything.
• Scope: Unchanged — the damage stays inside the vulnerable component.
• Confidentiality impact: Low — limited, and the attacker does not choose what is affected.
• Integrity impact: None.
• Availability impact: None.

Weakness class

CVE-2026-21062 is classified as CWE-939: Improper Authorization in Handler for Custom URL Scheme. The product uses a handler for a custom URL scheme, but it does not properly restrict which actors can invoke the handler using the scheme.

Affected software

CVE-2026-21062 is recorded against 1 package.

• android

Timeline and source

Published on 10 August 2026 and last revised on 19 August 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

security.samsungmobile.com

Other advisories for this package

android has other advisories on record. If you are patching this one, these are worth checking on the same host:

• CVE-2024-0028 (5.5 Medium, published 5 Sep 2025)
• CVE-2023-35657 (4.0 Medium, published 4 Sep 2025)
• CVE-2023-21476 (8.0 High, published 3 Sep 2025)
• CVE-2023-21469 (4.0 Medium, published 3 Sep 2025)
• CVE-2023-21475 (8.0 High, published 3 Sep 2025)
• CVE-2023-21468 (5.9 Medium, published 3 Sep 2025)
• CVE-2023-21474 (6.3 Medium, published 3 Sep 2025)
• CVE-2023-21480 (8.5 High, published 3 Sep 2025)

Same weakness in other software

These advisories are the same class of weakness (CWE-939: Improper Authorization in Handler for Custom URL Scheme) in other software:

• CVE-2026-21075 (published 10 Aug 2026)
• CVE-2026-53408 (8.1 High, published 12 Jun 2026)
• CVE-2026-53407 (8.1 High, published 12 Jun 2026)
• CVE-2026-6445 (published 9 Jun 2026)
• CVE-2026-3471 (6.5 Medium, published 18 May 2026)
• CVE-2026-35394 (8.3 High, published 6 Apr 2026)
• CVE-2026-33335 (8.0 High, published 24 Mar 2026)
• CVE-2026-26123 (5.5 Medium, published 10 Mar 2026)

Details

Affected Packages

References