🛡️ CVE-2026-20469

How this vulnerability can be exploited

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

CVSS metrics in full

The score comes from this vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/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: High — administrative rights are needed first.
• User interaction: None — nobody has to be tricked into anything.
• Scope: Unchanged — the damage stays inside the vulnerable component.
• Confidentiality impact: High — total loss, or loss the attacker controls.
• Integrity impact: High — total loss, or loss the attacker controls.
• Availability impact: None.

Weakness class

CVE-2026-20469 is classified as CWE-123: Write-what-where Condition. Any condition where the attacker has the ability to write an arbitrary value to an arbitrary location, often as the result of a buffer overflow.

Affected software

CVE-2026-20469 is recorded against 1 package.

• unknown

Timeline and source

Published on 3 August 2026 and last revised on 5 August 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

www.mediatek.com

Other advisories for this package

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

• CVE-2022-4995 (9.8 Critical, published 7 Aug 2026)
• CVE-2022-4994 (published 30 Jul 2026)
• CVE-2023-49900 (9.8 Critical, published 16 Jul 2026)
• CVE-2023-49899 (9.8 Critical, published 16 Jul 2026)
• CVE-2022-4990 (published 3 Jul 2026)
• CVE-2022-4989 (published 3 Jul 2026)
• CVE-2022-50973 (9.8 Critical, published 2 Jul 2026)
• CVE-2023-20572 (published 26 Jun 2026)

Same weakness in other software

These advisories are the same class of weakness (CWE-123: Write-what-where Condition) in other software:

• CVE-2026-47473 (7.4 High, published 14 Jul 2026)
• CVE-2026-45257 (7.8 High, published 26 Jun 2026)
• CVE-2026-30121 (9.5 Critical, published 15 Jun 2026)
• CVE-2026-43284 (8.8 High, published 8 May 2026)
• CVE-2026-41952 (7.8 High, published 29 Apr 2026)
• CVE-2025-14857 (published 7 Apr 2026)
• CVE-2025-69809 (9.8 Critical, published 16 Mar 2026)
• CVE-2025-29943 (published 16 Jan 2026)

Details

Affected Packages

References