CVE-2026-73468

MEDIUM
Published Sep 16, 2026 Modified Sep 16, 2026 CWE-670

Description

A specially crafted packet can cause the premature expiry of multicast forwarding state on affected interfaces, potentially resulting in temporary multicast traffic loss during the affected period.

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CVSS v3.1 Score

6.5
MEDIUM
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS — Exploit Prediction

0.0025
Probability of exploitation
0.17%
Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-670 CWE-670

References

Frequently Asked Questions

What is CVE-2026-73468? +
A specially crafted packet can cause the premature expiry of multicast forwarding state on affected interfaces, potentially resulting in temporary multicast traffic loss during the affected period. It has a CVSS v3.1 base score of 6.5 (MEDIUM).
How severe is CVE-2026-73468? +
CVE-2026-73468 has a CVSS v3.1 score of 6.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0025, placing it in the 0th percentile for exploitation probability.
How do I check if I'm vulnerable to CVE-2026-73468? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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