How severe is CVE-2026-2507?

CVE-2026-2507 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2026-2507 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-2507?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-2507 have an EU (EUVD) identifier?

Yes. CVE-2026-2507 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-7911.

When was CVE-2026-2507 published?

CVE-2026-2507 was published on 2026-02-18 and last updated on 2026-06-17.

CVE-2026-2507

CVE-2026-2507 is a high-severity vulnerability with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-476.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v4: 8.7
EPSS exploit prediction: 0% (20th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-7911
Weakness: CWE-476
Published: 2026-02-18
Last modified: 2026-06-17

Description

When BIG-IP AFM or BIG-IP DDoS is provisioned, undisclosed traffic can cause TMM to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Frequently asked questions

What is CVE-2026-2507?: When BIG-IP AFM or BIG-IP DDoS is provisioned, undisclosed traffic can cause TMM to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
How severe is CVE-2026-2507?: CVE-2026-2507 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2026-2507 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-2507?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-2507 have an EU (EUVD) identifier?: Yes. CVE-2026-2507 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-7911.
When was CVE-2026-2507 published?: CVE-2026-2507 was published on 2026-02-18 and last updated on 2026-06-17.

References

https://my.f5.com/manage/s/article/K000160003

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