How severe is CVE-2026-12647?

CVE-2026-12647 has a CVSS 3.x base score of 9.9, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-12647 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-12647?

CVE-2026-12647 primarily affects Ivanti Neurons For Itsm. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-12647?

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

When was CVE-2026-12647 published?

CVE-2026-12647 was published on 2026-09-08 and last updated on 2026-09-18.

CVE-2026-12647

CVE-2026-12647 is a critical-severity vulnerability in Ivanti Neurons For Itsm with a CVSS 3.x base score of 9.9. 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-862.

Key facts

Severity: Critical (CVSS 3.x base score 9.9)
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-862
Affected product: Ivanti Neurons For Itsm
Published: 2026-09-08
Last modified: 2026-09-18

Description

A Missing Authorization vulnerability in Ivanti Neurons for ITSM before 2026.2 allows a remote authenticated attacker to execute arbitrary code on the server.

Frequently asked questions

What is CVE-2026-12647?: A Missing Authorization vulnerability in Ivanti Neurons for ITSM before 2026.2 allows a remote authenticated attacker to execute arbitrary code on the server.
How severe is CVE-2026-12647?: CVE-2026-12647 has a CVSS 3.x base score of 9.9, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-12647 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-12647?: CVE-2026-12647 primarily affects Ivanti Neurons For Itsm. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-12647?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2026-12647 published?: CVE-2026-12647 was published on 2026-09-08 and last updated on 2026-09-18.

References

https://hub.ivanti.com/s/article/Security-Advisory-Ivanti-Neurons-for-ITSM-Multiple-CVEs?language=en_US

Affected products (5)

cpe:2.3:a:ivanti:neurons_for_itsm:2025.2:*:*:*:*:*:*:*
cpe:2.3:a:ivanti:neurons_for_itsm:2025.3:*:*:*:*:*:*:*
cpe:2.3:a:ivanti:neurons_for_itsm:2025.4:*:*:*:*:*:*:*
cpe:2.3:a:ivanti:neurons_for_itsm:2026.1:*:*:*:*:*:*:*
cpe:2.3:a:ivanti:neurons_for_itsm:2026.2:*:*:*:*:*:*:*

More vulnerabilities in Ivanti Neurons For Itsm

CVE-2026-12650 — Critical (CVSS 9.9): A Deserialization of Untrusted Data vulnerability in Ivanti Neurons for ITSM before 2026.2 allows a remote…
CVE-2026-12646 — Critical (CVSS 9.9): A Missing Authorization vulnerability in Ivanti Neurons for ITSM before 2026.2 allows a remote authenticated attacker…
CVE-2026-12645 — Critical (CVSS 9.9): A Missing Authorization vulnerability in Ivanti Neurons for ITSM before 2026.2 allows a remote authenticated attacker…
CVE-2023-46808 — Critical (CVSS 9.9): An file upload vulnerability in Ivanti ITSM before 2023.4, allows an authenticated remote user to perform file writes…
CVE-2026-12745 — Critical (CVSS 9.8): A Deserialization of Untrusted Data vulnerability in Ivanti Neurons for ITSM before 2026.2 allows a remote…
CVE-2026-12744 — Critical (CVSS 9.8): A Deserialization of Untrusted Data vulnerability in Ivanti Neurons for ITSM before 2026.2 allows a remote…

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