CVE-2025-20721: google android Out-of-bounds Write
CVSS: 7.8v3.1HighAnalyzed
Published 14-10-2025Last modified 26-02-2026
Vulnerability summary
CVE-2025-20721 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 0.4% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v3.1 (CVE.org)EPSS score
0.09%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 14-10-2025PublishedVulnerability first disclosed.
- 26-02-2026Last modifiedVulnerability information updated.
Description
In imgsensor, 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: ALPS10089545; Issue ID: MSV-4279.
CVSS metrics
2 scores · 2 sources · 1 versionHigh 7.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSourcesAll 2 agree
- NVDNIST7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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 score0.09%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Google1 product
- androidEOL13.0 | 14.0 | 15.0 | 16.0
Mediatek1 product
- iot_yocto25.0
Mediatek, inc.1 product
- mt6886, mt6897, mt6899, mt6985, mt6989, mt6991, mt8195, mt8196, mt8370, mt8390, mt8395, mt8792, mt8793IOT-v25.0 / Android 13.0, 14.0, 15.0, 16.0
3 vendors · 3 products
References
1 links- corp.mediatek.com/product-security-bulletin/October-2025Vendor Advisory