How severe is CVE-2026-33451?

CVE-2026-33451 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-33451 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-33451?

CVE-2026-33451 affects Absolute Secure Access. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-33451?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-33451 have an EU (EUVD) identifier?

Yes. CVE-2026-33451 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-26423.

When was CVE-2026-33451 published?

CVE-2026-33451 was published on 2026-04-30 and last updated on 2026-06-17.

CVE-2026-33451

CVE-2026-33451 is a high-severity vulnerability in Absolute Secure Access with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-125.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v4: 8.5
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-26423
Weakness: CWE-125
Affected product: Absolute Secure Access
Published: 2026-04-30
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2026-33451?: 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.
How severe is CVE-2026-33451?: CVE-2026-33451 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-33451 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-33451?: CVE-2026-33451 affects Absolute Secure Access. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-33451?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-33451 have an EU (EUVD) identifier?: Yes. CVE-2026-33451 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-26423.
When was CVE-2026-33451 published?: CVE-2026-33451 was published on 2026-04-30 and last updated on 2026-06-17.

References

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

Affected products (1)

cpe:2.3:a:absolute:secure_access:*:*:*:*:*:*:*:*

More vulnerabilities in Absolute Secure Access

CVE-2026-33447 — Critical (CVSS 9.8): CVE-2026-33447 is a buffer overflow in a message parsing function of the Secure Access client prior to 14.50.…
CVE-2026-33446 — Critical (CVSS 9.8): CVE-2026-33446 is a buffer overflow in the authentication sub-system of the Secure Access client prior to 14.50.…
CVE-2025-49084 — Critical (CVSS 9.1): CVE-2025-49084 is a vulnerability in the management console of Absolute Secure Access prior to version 13.56. Attackers…
CVE-2026-33449 — High (CVSS 7.5): CVE-2026-33449 is a buffer overflow in a message handling function of the Secure Access client prior to 14.50.…
CVE-2026-0517 — High (CVSS 7.5): CVE-2026-0517 is a denial-of-service vulnerability in versions of Secure Access Server prior to 14.20. An attacker can…
CVE-2025-59595 — High (CVSS 7.5): CVE-2025-59595 is an internally discovered denial of service vulnerability in versions of Secure Access prior to…

All CVEs affecting Absolute Secure Access →

Other CWE-125 (Out-of-bounds Read) vulnerabilities

CVE-2026-24826 — Critical (CVSS 10.0): Out-of-bounds Write, Divide By Zero, NULL Pointer Dereference, Use of Uninitialized Resource, Out-of-bounds Read,…
CVE-2024-22004 — Critical (CVSS 10.0): Due to length check, an attacker with privilege access on a Linux Nonsecure operating system can trigger a…
CVE-2021-41556 — Critical (CVSS 10.0): sqclass.cpp in Squirrel through 2.2.5 and 3.x through 3.1 allows an out-of-bounds read (in the core interpreter) that…
CVE-2021-21777 — Critical (CVSS 10.0): An information disclosure vulnerability exists in the Ethernet/IP UDP handler functionality of EIP Stack Group OpENer…
CVE-2017-14451 — Critical (CVSS 10.0): An exploitable out-of-bounds read vulnerability exists in libevm (Ethereum Virtual Machine) of CPP-Ethereum. A…
CVE-2013-0767 — Critical (CVSS 10.0): The nsSVGPathElement::GetPathLengthScale function in Mozilla Firefox before 18.0, Firefox ESR 10.x before 10.0.12 and…

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