CVE-2026-33450 Out of bounds read in Secure Access MacOS clients prior to 14.50
Attackers controlling a modified server can cause denial of service in Secure Access MacOS clients by sending malformed packets.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-33450?
CVE-2026-33450 is a low-severity denial of service vulnerability in Absolute Secure Access, published on 30 Apr 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
CVE-2026-33450 is an out of bounds read vulnerability in the Secure Access MacOS client prior to 14.50. Attackers with control of a modified server can send a malformed packet to the client causing a denial of service.
Weakness: CWE-125
Which versions are affected by CVE-2026-33450?
It affects 1 product.
Products include Absolute Secure Access.
How do I fix CVE-2026-33450?
No fix has been published for CVE-2026-33450 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-33450 being exploited?
There is no known exploitation of CVE-2026-33450 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-2026-33451 Arbitrary read/write vulnerability in Windows clients prior to 14.50
Sources
Also known as GHSA-vqxm-xg34-gq2g.