How severe is CVE-2026-49203?

CVE-2026-49203 has a CVSS 3.x base score of 8.3, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity high, and availability high.

Is CVE-2026-49203 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-49203?

CVE-2026-49203 affects Acer Connect M6e 5g Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-49203?

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-2026-49203 have an EU (EUVD) identifier?

Yes. CVE-2026-49203 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-34214.

When was CVE-2026-49203 published?

CVE-2026-49203 was published on 2026-06-04 and last updated on 2026-06-17.

CVE-2026-49203

CVE-2026-49203 is a high-severity vulnerability in Acer Connect M6e 5g Firmware with a CVSS 3.x base score of 8.3. 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-287.

Key facts

Severity: High (CVSS 3.x base score 8.3)
CVSS v4: 7.2
EPSS exploit prediction: 0% (6th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-34214
Weakness: CWE-287
Affected product: Acer Connect M6e 5g Firmware
Published: 2026-06-04
Last modified: 2026-06-17

Description

Crucial management API endpoints for cellular eSIM allocation do not validate caller authorization, allowing remote profiles to be rewritten or deleted.

Frequently asked questions

What is CVE-2026-49203?: Crucial management API endpoints for cellular eSIM allocation do not validate caller authorization, allowing remote profiles to be rewritten or deleted.
How severe is CVE-2026-49203?: CVE-2026-49203 has a CVSS 3.x base score of 8.3, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity high, and availability high.
Is CVE-2026-49203 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-49203?: CVE-2026-49203 affects Acer Connect M6e 5g Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-49203?: 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-2026-49203 have an EU (EUVD) identifier?: Yes. CVE-2026-49203 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-34214.
When was CVE-2026-49203 published?: CVE-2026-49203 was published on 2026-06-04 and last updated on 2026-06-17.

References

https://community.acer.com/en/kb/articles/19707

Affected products (1)

cpe:2.3:o:acer:connect_m6e_5g_firmware:*:*:*:*:*:*:*:*

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