How severe is CVE-2026-76703?

CVE-2026-76703 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability high.

Is CVE-2026-76703 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-76703?

CVE-2026-76703 primarily affects Hpe Edgeconnect Operating System. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-76703?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2026-76703 published?

CVE-2026-76703 was published on 2026-09-15 and last updated on 2026-09-28.

CVE-2026-76703

CVE-2026-76703 is a medium-severity vulnerability in Hpe Edgeconnect Operating System with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-120.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 0% (30th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-120
Affected product: Hpe Edgeconnect Operating System
Published: 2026-09-15
Last modified: 2026-09-28

Description

A buffer overflow vulnerability exists in the web-based management interface of HPE Networking EdgeConnect SD-WAN Gateways that could allow an authenticated attacker with administrative access to cause a denial of service. Successful exploitation could allow an attacker to disrupt system operations, potentially resulting in an unstable system state.

Frequently asked questions

What is CVE-2026-76703?: A buffer overflow vulnerability exists in the web-based management interface of HPE Networking EdgeConnect SD-WAN Gateways that could allow an authenticated attacker with administrative access to cause a denial of service. Successful exploitation could allow an attacker to disrupt system operations, potentially resulting in an unstable system state.
How severe is CVE-2026-76703?: CVE-2026-76703 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability high.
Is CVE-2026-76703 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-76703?: CVE-2026-76703 primarily affects Hpe Edgeconnect Operating System. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-76703?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2026-76703 published?: CVE-2026-76703 was published on 2026-09-15 and last updated on 2026-09-28.

References

https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05135en_us&docLocale=en_US

Affected products (4)

cpe:2.3:a:arubanetworks:edgeconnect_sd-wan_orchestrator:*:*:*:*:*:*:*:*
cpe:2.3:a:arubanetworks:edgeconnect_sd-wan_orchestrator:9.7.0:*:*:*:*:*:*:*
cpe:2.3:o:hpe:edgeconnect_operating_system:*:*:*:*:*:*:*:*
cpe:2.3:o:hpe:edgeconnect_operating_system:9.7.0.0:*:*:*:*:*:*:*

More vulnerabilities in Hpe Edgeconnect Operating System

CVE-2026-76672 — Critical (CVSS 9.9): A vulnerability exists in the SD-WAN Orchestrator that may lead to the exposure of sensitive configuration information.…
CVE-2026-76670 — Critical (CVSS 9.9): Privilege escalation vulnerabilities exist in the API of HPE Networking EdgeConnect SD-WAN Orchestrator. Successful…
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CVE-2026-76675 — Critical (CVSS 9.1): A command injection vulnerability exists in the command line interface of EdgeConnect SD-WAN Gateways. Successful…

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