CVE detail
CVE-2026-8452
Memory overflow vulnerability NetScaler ADC and NetScaler Gateway leading to unpredictable or erroneous behavior and Denial of Service if the appliance is configured as a Gateway (SSL VPN, ICA Proxy, CVPN, RDP Proxy) or AAA virtual server
Buzz score
Why this CVE is surfacing
This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.
Buzz score components · mention 13.9 · diversity 11.5 · KEV 0.0 · OTX 0.0 · PoC 0.0
Why it matters now
Mention timeline
- Total mentions
- 3
- within the 30d window
- Peak daily
- 1
- highest bucket
Evidence
Source links by recency
3 source links · newest first
ulnerability and there are signs of in-the-wild exploitation already. The new memory overread vulnerability, tracked as CVE-2026-8451, was found by researchers from security firm watchTowr who published a detailed write-up showing how unauthenticated malformed requests can result in protected process memory data being leaked back in responses. The ori
newswww.csoonline.comJul 3, 2026, 11:41 AMCitrix urges customers to patch NetScaler after fixing six vulnerabilities, including the HTTP/2 Bomb flaw and a high-severity CitrixBleed-style information disclosure bug.
newswww.securityweek.comJul 1, 2026, 11:20 AMNo excerpt available.
Vendor Advisorysupport.citrix.comJun 30, 2026, 1:19 PM
Exploit code
Public exploit repository references
Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.
0 repository references · best confidence N/A · max 0 stars
Related records
Similar CVEs
6 related CVEs with shared weakness or product evidence
- CVE-2026-8655CVSS 8.8 · High
Multiple Memory overflow vulnerabilities in NetScaler ADC and NetScaler Gateway leading to unpredictable or erroneous behavior and Denial of Service if NetScaler ADC is configured…
- CVE-2025-7776CVSS 8.8 · High
Memory overflow vulnerability leading to unpredictable or erroneous behavior and Denial of Service in NetScaler ADC and NetScaler Gateway when NetScaler is configured as a Gateway…
- CVE-2025-7775CVSS 9.2 · Critical
Memory overflow vulnerability leading to Remote Code Execution and/or Denial of Service in NetScaler ADC and NetScaler Gateway when NetScaler is configured as Gateway (VPN virtual…
- CVE-2025-6543CVSS 9.2 · Critical
Memory overflow vulnerability leading to unintended control flow and Denial of Service in NetScaler ADC and NetScaler Gateway when configured as Gateway (VPN virtual server, ICA P…
- CVE-2024-8534CVSS 8.4 · High
Memory safety vulnerability leading to memory corruption and Denial of Service in NetScaler ADC and Gateway if the appliance must be configured as a Gateway (VPN Vserver) with RDP…
- CVE-2023-6549CVSS 8.2 · High
Improper Restriction of Operations within the Bounds of a Memory Buffer in NetScaler ADC and NetScaler Gateway allows Unauthenticated Denial of Service and Out-Of-Bounds Memory Re…