7.8

CVE-2025-20798: google android Out-of-bounds Write

CVSS: 7.8v3.1HighAnalyzed
Published 06-01-2026Last modified 30-03-2026
Open JSON

Vulnerability summary

CVE-2025-20798 is a high (CVSS 7.8) Out-of-bounds Write vulnerability in google android. EPSS estimates a 0.09% chance of exploitation in the next 30 days, higher than 0.3% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.09%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 06-01-2026
    PublishedVulnerability first disclosed.
  2. 30-03-2026
    Last modifiedVulnerability information updated.

Description

In battery, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS10315812; Issue ID: MSV-5533.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.09%

Chance of exploitation in the next 30 days

Percentile

0%

Versus all other CVEs

30-day change

0.00 pp

From 0.09% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.09%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Google1 product
Mediatek, inc.1 product
  • mediatek chipsetMT2718 | MT6765 | MT6768 | MT6781 | MT6833 | MT6835 | MT6853 | MT6855 | MT6877 | MT6879 | MT6893 | MT6985 | MT6989 | MT6991 | MT8186 | MT8188 | MT8196 | MT8367 | MT8391 | MT8676 | MT8678 | MT8696 | MT8766 | MT8768 | MT8781 | MT8786 | MT8788E | MT8791T | MT8792 | MT8793 | MT8796 | MT8873 | MT8883 | MT8893

2 vendors · 2 products

References

1 links