How severe is CVE-2026-0244?

CVE-2026-0244 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-0244 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-0244?

CVE-2026-0244 primarily affects Paloaltonetworks Prisma Sd-wan. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-0244?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-0244 have an EU (EUVD) identifier?

Yes. CVE-2026-0244 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-30095.

When was CVE-2026-0244 published?

CVE-2026-0244 was published on 2026-05-13 and last updated on 2026-07-14.

CVE-2026-0244

CVE-2026-0244 is a high-severity vulnerability in Paloaltonetworks Prisma Sd-wan with a CVSS 3.x base score of 8.1. 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-295.

Key facts

Severity: High (CVSS 3.x base score 8.1)
CVSS v4: 5.2
EPSS exploit prediction: 0% (12th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-30095
Weakness: CWE-295
Affected product: Paloaltonetworks Prisma Sd-wan
Published: 2026-05-13
Last modified: 2026-07-14

Description

An improper certificate validation vulnerability in the Palo Alto Networks Prisma SD-WAN ION enables man-in-the-middle (MitM) attacker to impersonate the controller.

Frequently asked questions

What is CVE-2026-0244?: An improper certificate validation vulnerability in the Palo Alto Networks Prisma SD-WAN ION enables man-in-the-middle (MitM) attacker to impersonate the controller.
How severe is CVE-2026-0244?: CVE-2026-0244 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-0244 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-0244?: CVE-2026-0244 primarily affects Paloaltonetworks Prisma Sd-wan. In total, 11 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-0244?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-0244 have an EU (EUVD) identifier?: Yes. CVE-2026-0244 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-30095.
When was CVE-2026-0244 published?: CVE-2026-0244 was published on 2026-05-13 and last updated on 2026-07-14.

References

https://security.paloaltonetworks.com/CVE-2026-0244

Affected products (11)

cpe:2.3:a:paloaltonetworks:prisma_sd-wan:*:*:*:*:*:*:*:*
cpe:2.3:a:paloaltonetworks:prisma_sd-wan:6.3.6:-:*:*:*:*:*:*
cpe:2.3:a:paloaltonetworks:prisma_sd-wan:6.3.6:b6:*:*:*:*:*:*
cpe:2.3:a:paloaltonetworks:prisma_sd-wan:6.3.6:b9:*:*:*:*:*:*
cpe:2.3:a:paloaltonetworks:prisma_sd-wan:6.4.3:-:*:*:*:*:*:*
cpe:2.3:a:paloaltonetworks:prisma_sd-wan:6.4.3:b6:*:*:*:*:*:*
cpe:2.3:a:paloaltonetworks:prisma_sd-wan:6.4.3:b8:*:*:*:*:*:*
cpe:2.3:a:paloaltonetworks:prisma_sd-wan:6.5.3:-:*:*:*:*:*:*
cpe:2.3:a:paloaltonetworks:prisma_sd-wan:6.5.3:b11:*:*:*:*:*:*
cpe:2.3:a:paloaltonetworks:prisma_sd-wan:6.5.3:b9:*:*:*:*:*:*
cpe:2.3:a:paloaltonetworks:prisma_sd-wan:6.5.3:i-b10:*:*:*:*:*:*

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