Samba Printing Subsystem Vulnerability in Samba Software
CVE-2026-4480

9CRITICAL

Key Information:

Vendor

Red Hat
Status
Red Hat Enterprise Linux 10
Red Hat Enterprise Linux 10.0 Extended Update Support
Red Hat Enterprise Linux 7 Extended Lifecycle Support
Red Hat Enterprise Linux 8
Vendor
CVE Published:
26 May 2026

Badges

📈 Score: 290👾 Exploit Exists🟡 Public PoC🟣 EPSS 12%

What is CVE-2026-4480?

false

Affected Version(s)

Red Hat Enterprise Linux 10 0:4.23.5-109.el10_2

Red Hat Enterprise Linux 10.0 Extended Update Support 0:4.21.3-114.el10_0.1

Red Hat Enterprise Linux 7 Extended Lifecycle Support 0:4.10.16-26.el7_9.1

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-4480
Created by robinxiang

CVE-2026-4480-exploit-poc
Created by Vusal777

HTB-Abducted-Writeup
Created by Cosm3No1de

References

https://access.redhat.com/errata/RHSA-2026:22644
vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:22963
vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:25049
vendor-advisoryx_refsource_REDHAT

EPSS Score

12% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
9
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Changed

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.