How severe is CVE-2026-9300?

CVE-2026-9300 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2026-9300 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-9300?

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

Does CVE-2026-9300 have an EU (EUVD) identifier?

Yes. CVE-2026-9300 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-31534.

When was CVE-2026-9300 published?

CVE-2026-9300 was published on 2026-05-23 and last updated on 2026-06-17.

CVE-2026-9300

CVE-2026-9300 is a medium-severity vulnerability with a CVSS 3.x base score of 6.3. 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-119.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
CVSS v2: 6.5
CVSS v4: 2.1
EPSS exploit prediction: 0% (14th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-31534
Weakness: CWE-119
Published: 2026-05-23
Last modified: 2026-06-17

Description

A vulnerability has been found in omec-project amf up to 2.1.1. This affects an unknown part of the component NGSetupRequest Handler. Such manipulation leads to memory corruption. The attack can be executed remotely. The exploit has been disclosed to the public and may be used. It is best practice to apply a patch to resolve this issue.

Frequently asked questions

What is CVE-2026-9300?: A vulnerability has been found in omec-project amf up to 2.1.1. This affects an unknown part of the component NGSetupRequest Handler. Such manipulation leads to memory corruption. The attack can be executed remotely. The exploit has been disclosed to the public and may be used. It is best practice to apply a patch to resolve this issue.
How severe is CVE-2026-9300?: CVE-2026-9300 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2026-9300 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-9300?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-9300 have an EU (EUVD) identifier?: Yes. CVE-2026-9300 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-31534.
When was CVE-2026-9300 published?: CVE-2026-9300 was published on 2026-05-23 and last updated on 2026-06-17.

References

Other CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities

CVE-2026-2778 — Critical (CVSS 10.0): Sandbox escape due to incorrect boundary conditions in the DOM: Core & HTML component. This vulnerability was fixed in…
CVE-2026-2776 — Critical (CVSS 10.0): Sandbox escape due to incorrect boundary conditions in the Telemetry component in External Software. This vulnerability…
CVE-2025-1866 — Critical (CVSS 10.0): Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in warmcat libwebsockets allows…
CVE-2022-27625 — Critical (CVSS 10.0): A vulnerability regarding improper restriction of operations within the bounds of a memory buffer is found in the…
CVE-2022-27624 — Critical (CVSS 10.0): A vulnerability regarding improper restriction of operations within the bounds of a memory buffer is found in the…
CVE-2020-11896 — Critical (CVSS 10.0): The Treck TCP/IP stack before 6.0.1.66 allows Remote Code Execution, related to IPv4 tunneling.

Browse all CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities →