CVE-2026-33449 Message handler buffer overflow in clients prior to 14.50
A buffer overflow in the Secure Access client allows attackers controlling a server to cause denial of service via crafted messages.
- 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-2026-33449?
CVE-2026-33449 is a low-severity memory corruption 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-2026-33449 is a buffer overflow in a message handling function of the Secure Access client prior to 14.50. Attackers with control of a modified server can send a cryptographically valid message to the client, overwriting a small portion of memory conceivably leading to a denial of service.
Weakness: CWE-121
Which versions are affected by CVE-2026-33449?
It affects 1 product.
Products include Absolute Secure Access.
How do I fix CVE-2026-33449?
No fix has been published for CVE-2026-33449 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-2026-33449 being exploited?
There is no known exploitation of CVE-2026-33449 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-f2pc-fmcq-2g57.