CVE-2026-40210

MEDIUMCVSS 4.8/10EPSS 0.34%

Last modified

CVE-2026-40210 is a medium-severity vulnerability rated 4.8/10 on the CVSS scale. An out-of-bounds read might happen when SetMacAddrAction is used, potentially resulting in uninitialized memory being sent over the network or a crash.. EPSS estimates a 0.34% chance of exploitation in the next 30 days.

Description

An out-of-bounds read might happen when SetMacAddrAction is used, potentially resulting in uninitialized memory being sent over the network or a crash.

Metrics

CVSS 3.1
4.8/10

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

EPSS Probability
0.34%

25.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2026-40210?
An out-of-bounds read might happen when SetMacAddrAction is used, potentially resulting in uninitialized memory being sent over the network or a crash.
How severe is CVE-2026-40210?
CVE-2026-40210 has a CVSS score of 4.8/10 (MEDIUM severity). The EPSS model estimates a 0.34% probability of exploitation in the next 30 days.
How do I fix CVE-2026-40210?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-40210?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST