How severe is CVE-2025-48556?

CVE-2025-48556 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-48556 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-48556?

CVE-2025-48556 primarily affects Google Android. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-48556?

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-2025-48556 have an EU (EUVD) identifier?

Yes. CVE-2025-48556 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-26799.

When was CVE-2025-48556 published?

CVE-2025-48556 was published on 2025-09-04 and last updated on 2026-06-17.

CVE-2025-48556

CVE-2025-48556 is a high-severity vulnerability in Google Android with a CVSS 3.x base score of 7.3. 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-20.

Key facts

Severity: High (CVSS 3.x base score 7.3)
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-26799
Weakness: CWE-20
Affected product: Google Android
Published: 2025-09-04
Last modified: 2026-06-17

Description

In multiple methods of NotificationChannel.java, there is a possible desynchronization from persistence due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation.

Frequently asked questions

What is CVE-2025-48556?: In multiple methods of NotificationChannel.java, there is a possible desynchronization from persistence due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation.
How severe is CVE-2025-48556?: CVE-2025-48556 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-48556 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-48556?: CVE-2025-48556 primarily affects Google Android. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-48556?: 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-2025-48556 have an EU (EUVD) identifier?: Yes. CVE-2025-48556 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-26799.
When was CVE-2025-48556 published?: CVE-2025-48556 was published on 2025-09-04 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:o:google:android:15.0:*:*:*:*:*:*:*
cpe:2.3:o:google:android:16.0:*:*:*:*:*:*:*

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