CVE-2026-33451 Arbitrary read/write vulnerability in Windows clients prior to 14.50
Local attackers can exploit a memory corruption flaw in the Secure Access Windows client to elevate privileges to system level.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-33451?
CVE-2026-33451 is a high-severity memory corruption vulnerability in Absolute Secure Access, published on 30 Apr 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
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.
Weakness: CWE-125
Which versions are affected by CVE-2026-33451?
It affects 1 product.
Products include Absolute Secure Access.
How do I fix CVE-2026-33451?
No fix has been published for CVE-2026-33451 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-33451 being exploited?
There is no known exploitation of CVE-2026-33451 in the wild and no public exploit code.
Other vulnerabilities in Absolute Secure Access
- CVE-2026-55402 Denial of service in Secure Access
- CVE-2026-33445 Memory management vulnerability in Secure Access servers
- CVE-2025-49080 Memory management vulnerability in Absolute Secure Access server versions 9.0 to 13.54
- CVE-2026-40952 Privilge misconfiguration in Secure Access installers
- CVE-2025-59595 Denial of service in Secure Access
Sources
Also known as GHSA-qfmc-f7rr-gf93.