CVE-2026-33451 PUBLISHED

Arbitrary read/write vulnerability in Windows clients prior to 14.50

Assigner: Absolute
Reserved: 19.03.2026 Published: 30.04.2026 Updated: 30.04.2026

CVE-2026-33451 is an arbitrary read/write vulnerability in the Secure Access Windows client prior to 14.50. Attackers with local control of the Windows client can send malformed data to an API and elevate their level of privilege to system.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CVSS Score: 8.5

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Local	Confidentiality	High	Confidentiality	None
Attack Complexity	Low	Integrity	High	Integrity	None
Attack Requirements	None	Availability	High	Availability	None
Privileges Required	Low
User Interaction	None

CVSS 4.0

Product Status

Vendor	Absolute Software
Product	Secure Access
Versions	Default: unaffected affected from 0 to 14.50 (excl.)

References

https://www.absolute.com/platform/security-information/vulnerability-archive/cve-2026-33451