Cyber Posture

CVE-2026-48132

High
Microsoft: not affectedMSmacOS: not affectedMacLinux: not affectedLnxMobile: not affectedMobNetwork: not affectedNetApplication: not affectedAppOther: affectedOth

Published: 26 May 2026

Published
26 May 2026
Modified
26 May 2026
KEV Added
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Patch
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CVSS Score 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0006 17.2th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2026-48132 is a high-severity Out-of-bounds Read (CWE-125) vulnerability in Checkpoint (inferred from references). Its CVSS base score is 8.1 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Application or System Exploitation (T1499.004); ranked at the 17.2th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

Threat & Defense at a Glance

What attackers do: exploitation maps to Application or System Exploitation (T1499.004).
Threat & Defense Details

MITRE ATT&CK Enterprise TechniquesAI

T1499.004 Application or System Exploitation Impact
Adversaries may exploit software vulnerabilities that can cause an application or system to crash and deny availability to users.
attack.mitre.org →
Why these techniques?

Malformed IKE/NAT-T packet triggers out-of-bounds read (CWE-125) that crashes the VPN service, directly enabling remote application DoS via crafted packet exploitation.

Confidence: HIGH · MITRE ATT&CK Enterprise v18.1

NVD Description

The Security Gateway does not correctly validate a length value in certain IKE packets when NAT-T is used (4500/UDP). As a result, a specially crafted or malformed packet can cause the VPN processing service to terminate unexpectedly, leading to denial…

more

of service (temporary interruption of VPN negotiations/traffic).

Deeper analysisAI

Automated synthesis unavailable for this CVE.

Details

CWE(s)
CWE-125

Affected Products

Checkpoint
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inferred from references and description; NVD did not file a CPE for this CVE

EU & UK References

References