CVE-2026-10718
CVE-2026-10718 is a medium-severity vulnerability with a CVSS 4.0 base score of 4.6. 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-787.
Key facts
- Severity: Medium (CVSS 4.0 base score 4.6)
- EPSS exploit prediction: 0% (2nd percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-34043
- Weakness: CWE-787
- Published:
- Last modified:
Description
Out of bounds write in openSeaChest’s Trim/Unmap operation in Seagate’s openSeaChest v26.03.0 on all supported platforms allows for writing extra memory describing a range of LBAs to deallocate 16 bytes outside of the allocated space when running this operation.
Frequently asked questions
- What is CVE-2026-10718?
- Out of bounds write in openSeaChest’s Trim/Unmap operation in Seagate’s openSeaChest v26.03.0 on all supported platforms allows for writing extra memory describing a range of LBAs to deallocate 16 bytes outside of the allocated space when running this operation.
- How severe is CVE-2026-10718?
- CVE-2026-10718 has a CVSS 4.0 base score of 4.6, rated medium severity.
- Is CVE-2026-10718 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2026-10718?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-10718 have an EU (EUVD) identifier?
- Yes. CVE-2026-10718 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-34043.
- When was CVE-2026-10718 published?
- CVE-2026-10718 was published on 2026-06-02 and last updated on 2026-06-17.
References
- https://www.seagate.com/product-security/#security-advisories
- https://www.seagate.com/support/software/seachest/
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