Is CVE-2026-53232 actively exploited?

No active exploitation of CVE-2026-53232 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-53232 be exploited remotely?

Partially. CVE-2026-53232 requires adjacent network access (same network segment) to exploit.

What is the CVSS score of CVE-2026-53232?

CVE-2026-53232 has a CVSS score of 8.8 (HIGH).

HOME VULNERABILITIESCVE-2026-53232

HIGH

CVE-2026-53232

Published: June 25, 2026· Updated: Jun 30, 2026

8.8

CVSS v3.1

EPSS:0.16%probability of exploitation in 30 daysPercentile:5.2th

Official Description

In the Linux kernel, the following vulnerability has been resolved:

net: phy: clean the sfp upstream if phy probing fails

Sashiko reported that we don't call sfp_bus_del_upstream() in the probe

failure path, so let's add it, otherwise the sfp-bus is left with a

dangling 'upstream' field, that may be used later on during SFP events.

This issue existed before the generic phylib sfp support, back when

drivers were calling phy_sfp_probe themselves.

NVD Source

Technical Analysis

CVE-2026-53232 requires adjacent network access, limiting remote exploitation but still posing risk in shared or local network environments.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.