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Report · SecurityWeekAbout CVE-2026-91843Published

Check Point, Kaspersky, Tanium Patch Product Vulnerabilities

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Authoritative record:CVE-2026-91843· Critical 9.8

Not known to be exploited · CVSS 9.8 Critical.

Data as of 1 Nov 2026, 22:58 UTC

CVSS 3.1 base score
9.8Critical
How severe the flaw is on the 0–10 CVSS scale.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 16 Sep 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 1 Nov 2026.

What to do

Affected software

ProductAffectedFixed in
checkpointQuantum Security ManagementAffected
  • R80 (EOS) – R82.10 with Jumbo Hotfix Take 44 or below
10 affected builds
Fixed in–

AI-suggested

Check Point customers should immediately apply the official patches for CVE-2026-91843, especially if automatic updates are not enabled. Tanium users must update to the patched versions addressing the SQL injection, server-side request forgery, and access control vulnerabilities. Kaspersky users should apply the update for Kaspersky Security 10 for Linux Mail Server to mitigate the Redis-related vulnerability. No evidence of active exploitation has been reported for the Check Point vulnerability, but prompt patching is strongly recommended.

Description

A critical vulnerability (CVE-2026-91843) affects Check Point Security Management and Log Server products, allowing unauthenticated remote code execution with root privileges via the login process. No evidence of active exploitation in the wild has been reported. Check Point has issued patches and advises immediate updates for systems without automatic patching. Additionally, Tanium and Kaspersky have patched multiple vulnerabilities in their products, including SQL injection and code execution flaws. These vulnerabilities pose significant risks if left unpatched.

References

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