Is CVE-2026-28528 in the CISA KEV catalog?

No. CVE-2026-28528 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-28528?

CVE-2026-28528 has a CVSS v3 base score of 4.6 (MEDIUM).

What is the EPSS score for CVE-2026-28528?

CVE-2026-28528 has an EPSS score of 0.14% (3th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-28528?

Upgrade btstack to 1.8.1 or later.

CVE & CISA-KEV Catalog

CVE-2026-28528

MEDIUM

4.6

CVSS v3

NVD

Description

BlueKitchen BTstack versions prior to 1.8.1 contain an out-of-bounds read vulnerability in the AVRCP Browsing Target GET_FOLDER_ITEMS handler that fails to validate packet boundaries and attribute count data. An attacker with a paired Bluetooth Classic connection can exploit insufficient bounds checking on the attr_id parameter to cause crashes and corrupt attribute bitmap state.

CWE-125Out-of-bounds Read CWE-758

How to fix

Remediation Available

btstackNVD

Affected:< 1.8.1Fixed in:1.8.1CVE-2026-28528derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorAdjacent

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityLow

AvailabilityLow

CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L

Exploit Intelligence

0.14%probability of exploitation in 30 days

3rdpercentile

Low risk: more likely to be exploited than 3% of all known CVEs.

References

Third-Party Advisory1

vulncheck.com

Release Notes1

github.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-06.