CVE-2026-41227

high F5
CVSS v3 Base Score
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
0.3%
Exploitation probability in 30 days
Top 83% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Confidentiality
None
Integrity
None
Availability
High
Published: May 13, 2026 (57 days ago)
Last Modified: June 24, 2026
Vendor: F5
Source: NVD

Description

On an HTTP/2 virtual server with Layer 7 DoS Protection configured, undisclosed traffic can result in an increase in memory consumption causing the Traffic Management Microkernel (TMM) process to terminate.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CWE

CWE-770

Affected Products

f5 big-ip advanced web application firewallf5 big-ip application security managerf5 big-ip ddos hybrid defender

References

🔗 my.f5.com