How severe is CVE-2023-31326?

CVE-2023-31326 has a CVSS 3.x base score of 2.8, rated low severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2023-31326 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2023-31326?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2023-31326 have an EU (EUVD) identifier?

Yes. CVE-2023-31326 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-35637.

When was CVE-2023-31326 published?

CVE-2023-31326 was published on 2025-09-06 and last updated on 2026-06-17.

CVE-2023-31326

CVE-2023-31326 is a low-severity vulnerability with a CVSS 3.x base score of 2.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-457.

Key facts

Severity: Low (CVSS 3.x base score 2.8)
EPSS exploit prediction: 0% (3rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-35637
Weakness: CWE-457
Published: 2025-09-06
Last modified: 2026-06-17

Description

Use of an uninitialized variable in the ASP could allow an attacker to access leftover data from a trusted execution environment (TEE) driver, potentially leading to loss of confidentiality.

Frequently asked questions

What is CVE-2023-31326?: Use of an uninitialized variable in the ASP could allow an attacker to access leftover data from a trusted execution environment (TEE) driver, potentially leading to loss of confidentiality.
How severe is CVE-2023-31326?: CVE-2023-31326 has a CVSS 3.x base score of 2.8, rated low severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2023-31326 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2023-31326?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-31326 have an EU (EUVD) identifier?: Yes. CVE-2023-31326 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-35637.
When was CVE-2023-31326 published?: CVE-2023-31326 was published on 2025-09-06 and last updated on 2026-06-17.

References

Other CWE-457 vulnerabilities

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