How severe is CVE-2025-26383?

CVE-2025-26383 has a CVSS 4.0 base score of 6.3, rated medium severity.

Is CVE-2025-26383 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-26383?

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

Does CVE-2025-26383 have an EU (EUVD) identifier?

Yes. CVE-2025-26383 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-18131.

When was CVE-2025-26383 published?

CVE-2025-26383 was published on 2025-06-11 and last updated on 2026-06-17.

CVE-2025-26383

CVE-2025-26383 is a medium-severity vulnerability with a CVSS 4.0 base score of 6.3. 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: Medium (CVSS 4.0 base score 6.3)
EPSS exploit prediction: 0% (12th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-18131
Weakness: CWE-457
Published: 2025-06-11
Last modified: 2026-06-17

Description

The iSTAR Configuration Utility (ICU) tool leaks memory, which could result in the unintended exposure of unauthorized data from the Windows PC that ICU is running on.

Frequently asked questions

What is CVE-2025-26383?: The iSTAR Configuration Utility (ICU) tool leaks memory, which could result in the unintended exposure of unauthorized data from the Windows PC that ICU is running on.
How severe is CVE-2025-26383?: CVE-2025-26383 has a CVSS 4.0 base score of 6.3, rated medium severity.
Is CVE-2025-26383 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-26383?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-26383 have an EU (EUVD) identifier?: Yes. CVE-2025-26383 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-18131.
When was CVE-2025-26383 published?: CVE-2025-26383 was published on 2025-06-11 and last updated on 2026-06-17.

References

Other CWE-457 vulnerabilities

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CVE-2026-14405 — Critical (CVSS 9.6): Uninitialized Use in V8 in Google Chrome prior to 150.0.7871.46 allowed a remote attacker to execute arbitrary code…
CVE-2026-13825 — High (CVSS 8.8): Uninitialized Use in Dawn in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to potentially exploit heap…
CVE-2025-5749 — High (CVSS 8.8): WOLFBOX Level 2 EV Charger BLE Encryption Keys Uninitialized Variable Authentication Bypass Vulnerability. This…

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