Check PointCVE-2026-91843
Check Point Quantum Security Management: stack buffer overflow
Critical9.8CVE-2026-91843 · Published Sep 16, 2026 · updated Sep 18, 2026
A stack overflow during the unauthenticated login process may allow an attacker to run arbitrary code remotely with root privileges.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| Quantum Security Management Product | <= R82.10 with Jumbo Hotfix Take 44 or below | No fix yet |
| <= R82 with Jumbo Hotfix Take 126 or below | No fix yet | |
| <= R81.20 with Jumbo Hotfix Take 166 or below | No fix yet | |
| <= R81.10 (EOS) with Jumbo Hotfix Take 190 or below | No fix yet |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-121
More Check Point advisories
All Check Point| Date | Advisory | Severity | Fixed in |
|---|---|---|---|
| Sep 22 | Check Point Quantum Security Management: path traversal | Critical9.8 | No fix yet |
| Sep 9 | Check Point Quantum Security Gateway: remote code execution | Critical9.8 | No fix yet |
| Sep 9 | Check Point Quantum Security: heap buffer overflow | Critical9.8 | No fix yet |
| Aug 3 | Check Point Multi-Domain Security Management Server: authentication bypass | Critical9.3 | No fix yet |
| Jul 22 | Check Point Security Management: authentication bypass | Critical9.1 | No fix yet |
| Jul 22 | Check Point Gaia Portal: code execution | High7.5 | No fix yet |