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Vulnerabilities

Vulnerability · CVE-2026-80186

CVE-2026-80186 is listed by USN-8908-2: BlueZ regression.

Published Oct 13, 2026 · Canonical Ubuntu

Check if you run it

No confirmed exploitation is on record for CVE-2026-80186. EPSS is 0.50%. Act only if a listed version of Canonical Ubuntu is installed.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Unknown—
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.50%
Remediation
Vendor / distro source
Affected products
Canonical Ubuntu

CVE-2026-80186 is listed by USN-8908-2: BlueZ regression.

No affected version ranges are stored yet. Use the vendor advisory before you decide this record does not apply.

How to fix CVE-2026-80186

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-80186. EPSS is 0.50%. Act only if a listed version of Canonical Ubuntu is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.50%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Ubuntu security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 13, 2026 · Ubuntu Security Notices

    Detected

    USN-8908-1 fixed vulnerabilities in BlueZ. Unfortunately, that update introduced a regression in the A2DP profile: cached remote stream endpoints were no longer loaded at startup, which could cause Bluetooth audio devices to fail to reconnect automatically or to fall back to low-quality audio profiles. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Mi

Sources

  • CVE.orgVulnerability recordCVE-2026-80186

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-80186

    30-day exploitation probability 0.5%

    first.org
  • Ubuntu Security NoticesVendor advisoryCVE-2026-80186

    Michael Bommarito discovered that BlueZ incorrectly handled codec capability storage in the A2DP profile. An attacker could possibly use this issue to cause a stack buffer overflow, resulting in a denial of service or arbitrary code execution. This issue only affected Ubuntu 20.0

    ubuntu.com

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.