VulnerabilityModified

CVE-2026-40953

CVE-2026-40953 is a heap overflow in the certificate parsing function of Secure Access clients prior to 14.55.

MEDIUM 6.7EPSS 0.10%

Does this matter?

Lower severity and a low EPSS score (0.10%). Track it; it rarely justifies an emergency change on its own.

Description

CVE-2026-40953 is a heap overflow in the certificate parsing function of Secure Access clients prior to 14.55. Attackers with local access and administrator permissions can create a denial of service attack against the client over which they have control.

CVSS 4.0: 6.7 MEDIUMCVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS: 0.10% probability · 1th percentile
CISA KEV: Not listed
Weakness: CWE-787
Affected: absolute/secure access
Source: SecurityResponse@netmotionsoftware.com

References

https://www.absolute.com/platform/security-information/vulnerability-archive/cve-2026-40953Vendor Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.