CVE-2026-10817: Insufficient input validation leading to memory overread in NetScaler ADC and NetScaler Gateway if the TCP TimeStamp is enabled in TCP Profile and is associated with the virtual se

highCVSS 7.5CVE-2026-10817

Insufficient input validation leading to memory overread in NetScaler ADC and NetScaler Gateway if the TCP TimeStamp is enabled in TCP Profile and is associated with the virtual server (of type LB, CS, VPN) or the service configured on NetScaler

Details

Source: NVD Recent CVEs (US · database · site)
Severity: high — CVSS 7.5
Published: 2026-06-30
Last updated: 2026-07-02
Exploitation: Not in CISA KEV at last sync

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-10817

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2026-108170.41% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 33% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-10817	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

unknownCitrix Products Multiple Vulnerabilitieshkcert
unknownAL26-016 - Vulnerability impacting Citrix NetScaler CVE-2026-8451cccs
high[UPDATE] [high] Citrix Systems NetScaler ADC and Gateway: Multiple vulnerabilitiescert-bund
unknownMultiple vulnerabilities in Citrix products (July 1, 2026)cert-fr-avis
unknownNCSC-2026-0216 [1.00] [M/H] Vulnerabilities fixed in Citrix Netscaler ADC and Netscaler Gatewayncsc-nl
criticalCitrix security advisory (AV26-645) – Update 1cccs

Recent advisories for Insufficient input validation

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

criticalCVE-2026-51599: An insufficient input validation vulnerability in the RTSP service of MERCURY MIPC252W v1.0.5 …nvd · 2026-07-09
mediumCVE-2026-31981: A Stored HTML Injection vulnerability was discovered in the Diagram tab and Graph view due to …nvd · 2026-07-09
highCVE-2026-15122: Insufficient validation of untrusted input in Codecs in Google Chrome on Windows prior to 150.…nvd · 2026-07-08
lowCVE-2026-15115: Insufficient validation of untrusted input in WebAppInstalls in Google Chrome on Android prior…nvd · 2026-07-08
unknownCVE-2026-14131: Chromium: CVE-2026-14131 Insufficient validation of untrusted input in WebAppInstallsmsrc · 2026-07-02
unknownCVE-2026-14080: Chromium: CVE-2026-14080 Insufficient validation of untrusted input in TabSwitchermsrc · 2026-07-02