Critical 9.8Published Aug 4, 2026

CVE-2026-49435Keysight IxChariot-related products stack-based buffer overflow

Updated under an hour ago (Oct 26, 2026, 9:23 PM ET)

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It affects Keysight Hawkeye and 4 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Keysight Hawkeye

Exploited in the last 30 days

Keysight IxChariot Endpoint and associated products contain a stack-based buffer overflow. An unauthenticated remote attacker can send a specially crafted packet and execute arbitrary code with administrative privileges.

CVSS: 9.8 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-121
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: cisa-cg
NVD analysis: Awaiting Analysis
Record last updated: Aug 4, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Keysight Hawkeye keysight:hawkeye (from the name)	before 6.0.7; 6.0.7 not affected	CNA record
Keysight IxChariot keysight:ixchariot (from the name)	10.0.254 not affected; before 10.0.254	CNA record
Keysight IxTap keysight:ixtap (from the name)	before 3.13.0; 3.13.0 not affected	CNA record
Keysight IxProbe keysight:ixprobe (from the name)	before 3.13.0; 3.13.0 not affected	CNA record
Keysight IxByPass keysight:ixbypass (from the name)	before 3.13.0.69; 3.13.0.69 not affected	CNA record

References

References

https://www.keysight.com/us/en/lib/software-detail/computer-software/hawkeye.html	release-notes
https://www.keysight.com/us/en/about/quality-and-security/security/product-and-solution-cyber-security/security-advisory-archive/security-advisory--ixchariot-vulnerability.html	release-notes
https://www.keysight.com/us/en/lib/software-detail/computer-software/ixchariot.html	release-notes
https://www.keysight.com/us/en/lib/software-detail/instrument-firmware-software/ixprobe.html	release-notes
https://www.keysight.com/us/en/product/IXTP-CU3-T/copper-taps---ixtp-cu3-t.html	release-notes
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-216-01.json	third-party-advisory
https://www.cve.org/CVERecord?id=CVE-2026-49435	vdb-entry

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.