How severe is CVE-2026-35553?

CVE-2026-35553 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-35553 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-35553?

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

Does CVE-2026-35553 have an EU (EUVD) identifier?

Yes. CVE-2026-35553 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-21848.

When was CVE-2026-35553 published?

CVE-2026-35553 was published on 2026-04-13 and last updated on 2026-06-17.

CVE-2026-35553

CVE-2026-35553 is a medium-severity vulnerability with a CVSS 3.x base score of 6.7. 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-121.

Key facts

Severity: Medium (CVSS 3.x base score 6.7)
CVSS v4: 8.4
EPSS exploit prediction: 0% (4th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-21848
Weakness: CWE-121
Published: 2026-04-13
Last modified: 2026-06-17

Description

Bluetooth ACPI Drivers provided by Dynabook Inc. contain a stack-based buffer overflow vulnerability. An attacker may execute arbitrary code by modifying certain registry values.

Frequently asked questions

What is CVE-2026-35553?: Bluetooth ACPI Drivers provided by Dynabook Inc. contain a stack-based buffer overflow vulnerability. An attacker may execute arbitrary code by modifying certain registry values.
How severe is CVE-2026-35553?: CVE-2026-35553 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-35553 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-35553?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-35553 have an EU (EUVD) identifier?: Yes. CVE-2026-35553 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-21848.
When was CVE-2026-35553 published?: CVE-2026-35553 was published on 2026-04-13 and last updated on 2026-06-17.

References

Other CWE-121 (Stack-based Buffer Overflow) vulnerabilities

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