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Vulnerabilities

Vulnerability · CVE-2021-46750

Failure to validate the address and size in TEE (Trusted Execution Environment) may allow a malicious x86 attacker to send malformed messages to the graphics mailbox resulting in a

Published Sep 6, 2025 · catalog updated Sep 8, 2025 · AMD AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics

Last checked Oct 26, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2021-46750. EPSS is 0.15%. Act only if a listed version of AMD AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Low3.0
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.15%
Remediation
Advisory link
Affected products
vendor AMD AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics patch: PicassoPI-FP5 1.0.0.E

Failure to validate the address and size in TEE (Trusted Execution Environment) may allow a malicious x86 attacker to send malformed messages to the graphics mailbox resulting in an overlap of a TMR (Trusted Memory Region) that was previously allocated by the ASP bootloader leading to a potential loss of integrity.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor AMD AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics patch: PicassoPI-FP5 1.0.0.Epatch: PicassoPI-FP5 1.0.0.E

How to fix CVE-2021-46750

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2021-46750. EPSS is 0.15%. Act only if a listed version of AMD AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics is installed.

Which versions are affected?

Compare what you have installed with AMD AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics patch: PicassoPI-FP5 1.0.0.E patch: PicassoPI-FP5 1.0.0.E. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.15%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Sep 6, 2025 · EUVD

    Detected

    Failure to validate the address and size in TEE (Trusted Execution Environment) may allow a malicious x86 attacker to send malformed messages to the graphics mailbox resulting in an overlap of a TMR (Trusted Memory Region) that was previously allocated by the ASP bootloader leading to a potential loss of integrity.

  2. Sep 8, 2025 · EUVD

    Updated

    Failure to validate the address and size in TEE (Trusted Execution Environment) may allow a malicious x86 attacker to send malformed messages to the graphics mailbox resulting in an overlap of a TMR (Trusted Memory Region) that was previously allocated by the ASP bootloader leading to a potential loss of integrity.

Sources

  • CVE.orgVulnerability recordCVE-2021-46750

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2021-46750

    30-day exploitation probability 0.15%

    first.org
  • EUVDVulnerability recordEUVD-2021-33406

    Failure to validate the address and size in TEE (Trusted Execution Environment) may allow a malicious x86 attacker to send malformed messages to the graphics mailbox resulting in an overlap of a TMR (Trusted Memory Region) that was previously allocated by the ASP bootloader leadi

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 26, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSOct 23, 2026
  • CVE.orgOct 22, 2026
  • EUVDOct 22, 2026