HIGH
CVE-2026-33451
Published: April 30, 2026· Updated: May 5, 2026
7.8
CVSS v3.1
EPSS:0.01%probability of exploitation in 30 daysPercentile:2.8th
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.
Technical Analysis
CVE-2026-33451 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.8.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Vendors & Products
absolute1 product
secure access
Microsoft1 product
windows
Source: NVD CPE · 2 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (1)
Quick Facts
CVE IDCVE-2026-33451
CVSS Score7.8 / 10
SeverityHIGH
CISA KEVNo
EPSS (30d)0.01%
Affected2 vendors
PublishedApr 30, 2026
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2026-33451 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.