Quick answers
- Is CVE-2026-55307 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-55307 being exploited in the wild.
- How severe is CVE-2026-55307?
- Medium severity, with a CVSS score of 4.4, published 6 October 2026.
- Which products and versions are affected?
- Google Pixel prior to 2026-10-05 security patch.
- Is there a fix for CVE-2026-55307?
- Yes: fixed in Google Pixel devices with security patch level 2026-10-05 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-55307 attacked?
- It is attacked with local access, in device firmware.
- Am I affected by CVE-2026-55307?
- Check whether you run Google Pixel at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
How to fix
- Fixed in: Google Pixel devices with security patch level 2026-10-05 or later
Technical details
A logic error in the kdn_set_sysregs_prot function of hwcrypto-kdn.c allows information disclosure of protected system registers. The vulnerability requires System execution privileges to exploit and can be triggered without user interaction. A local attacker with sufficient privileges can read sensitive register contents.
Affected products
- Google Pixel prior to 2026-10-05 security patch
Timeline
- 2026-10-06: disclosed
- 2026-10-05: patched