Search/CVE-2026-91843
● CVE — Critical

CVE-2026-91843

DiscoveredSep 16, 2026UpdatedSep 18, 2026

A stack overflow during the unauthenticated login process may allow an attacker to run arbitrary code remotely with root privileges.

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CVSS v3.1
9.8 CRITICAL
EPSS
0.52%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
7
sources referencing this CVE
Related IOCs
0
seen in the same coverage
EPSS Trend
Sep 19, 2026 → Sep 25, 2026
▲ 0.02pp
0.50% → 0.52% over 2 tracked changes
CVSS v3.1 Detail
Attack VectorNETWORK
Attack ComplexityLOW
Privileges RequiredNONE
User InteractionNONE
ScopeUNCHANGED
ConfidentialityHIGH
IntegrityHIGH
AvailabilityHIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Connections
12 relationships
Timeline
disclosure → media coverage
Sep 16, 2026
Disclosure — published as a CVE record.
Sep 17, 2026
thehackernews.com reports: Critical Check Point Management Flaw Lets Unauthenticated Attackers Run Code as Root
Sep 18, 2026
securityweek.com reports: Check Point, Kaspersky, Tanium Patch Product Vulnerabilities
Sep 18, 2026
bleepingcomputer.com reports: New Check Point flaw lets hackers execute code with root privileges
Sep 21, 2026
thehackernews.com reports: ⚡ Weekly Recap: Cisco 0-Day, AI Agent RCE, ClickFix Attacks, ClickFix Surge, and Browser Hijacks
Sep 21, 2026
research.checkpoint.com reports: 21st September – Threat Intelligence Report
Sep 22, 2026
thehackernews.com reports: Check Point Warns of Management Server Zero-Day Exploited in Targeted Attacks
Sep 23, 2026
bleepingcomputer.com reports: InfraTrust report warns network management systems under attack
Public PoC (1)
github.com/HORKimhab/CVE-2026-91843
Unverified third-party code — review before executing.