Out-of-Bounds Write Vulnerability in Intel Wireless Bluetooth Kernel
CVE-2026-42956

7.1HIGH

Key Information:

Vendor

Intel
Status
Intel(r) Wireless Bluetooth(r)
Vendor
CVE Published:
10 November 2026

What is CVE-2026-42956?

An out-of-bounds write vulnerability exists in the Intel Wireless Bluetooth kernel driver that could allow an attacker to trigger a denial of service. This type of security flaw can be exploited by a network adversary with unauthenticated access, requiring only minimal complexity to carry out an attack. The vulnerability does not necessitate user interaction and can potentially lead to significant availability disruptions for affected systems, affecting their operational reliability.

Affected Version(s)

Intel(R) Wireless Bluetooth(R) See references

References

https://intel.com/content/www/us/en/security-center/advis...

CVSS V4

Score:
7.1
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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