CVE-2026-33451

Arbitrary read/write vulnerability in Windows clients prior to 14.50

Published Apr 30, 2026 CVSS 4.0 · 8.5 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Microsoft
Microsoft windows
CPEs cpe:2.3:a:absolute:secure_access:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft windows
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

Type Values Removed Values Added
Weaknesses CWE-20
CWE-269
CWE-277
Type Values Removed Values Added
Weaknesses CWE-125
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Absolute
Absolute secure Access
Vendors & Products Absolute
Absolute secure Access
Type Values Removed Values Added
Weaknesses CWE-20
CWE-269
CWE-277
Type Values Removed Values Added
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.
Title Arbitrary read/write vulnerability in Windows clients prior to 14.50
References
Metrics cvssV4_0

{'score': 8.5, '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Absolute
Published
Updated
May 1, 2026, 2:36 PM
Reserved
Mar 19, 2026, 11:04 PM
Status
Analyzed
Published
Apr 30, 2026, 9:16 PM
Modified
Oct 26, 2026, 10:10 PM