How severe is CVE-2025-36923?

CVE-2025-36923 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-36923 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-2025-36923?

CVE-2025-36923 affects Google Android. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-36923?

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-2025-36923 have an EU (EUVD) identifier?

Yes. CVE-2025-36923 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-202851.

When was CVE-2025-36923 published?

CVE-2025-36923 was published on 2025-12-11 and last updated on 2026-06-17.

CVE-2025-36923

CVE-2025-36923 is a high-severity vulnerability in Google Android with a CVSS 3.x base score of 8.0. 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-122.

Key facts

Severity: High (CVSS 3.x base score 8.0)
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-202851
Weakness: CWE-122
Affected product: Google Android
Published: 2025-12-11
Last modified: 2026-06-17

Description

In NrmmDecoder::DecodeSORTransparentContext of cn_NrmmDecoder.cpp, there is a possible out of bounds write due to a heap buffer overflow. This could lead to remote (proximal/adjacent) escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Frequently asked questions

What is CVE-2025-36923?: In NrmmDecoder::DecodeSORTransparentContext of cn_NrmmDecoder.cpp, there is a possible out of bounds write due to a heap buffer overflow. This could lead to remote (proximal/adjacent) escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
How severe is CVE-2025-36923?: CVE-2025-36923 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-36923 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-2025-36923?: CVE-2025-36923 affects Google Android. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-36923?: 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-2025-36923 have an EU (EUVD) identifier?: Yes. CVE-2025-36923 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-202851.
When was CVE-2025-36923 published?: CVE-2025-36923 was published on 2025-12-11 and last updated on 2026-06-17.

References

https://source.android.com/security/bulletin/pixel/2025-12-01

Affected products (1)

cpe:2.3:o:google:android:-:*:*:*:*:*:*:*

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