CVE-2026-20440: google android
CVSS: 6.7v3.1MediumAnalyzed
Published 02-03-2026Last modified 30-03-2026
Vulnerability summary
CVE-2026-20440 is a medium (CVSS 6.7) vulnerability in google android. EPSS estimates a 0.08% chance of exploitation in the next 30 days, higher than 0.1% of scored vulnerabilities.
CVSS score
6.7/10
010
Medium · v3.1 (CVE.org)EPSS score
0.08%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 02-03-2026PublishedVulnerability first disclosed.
- 30-03-2026Last modifiedVulnerability information updated.
Description
In MAE, 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: ALPS10431968; Issue ID: MSV-5824.
CVSS metrics
2 scores · 2 sources · 1 versionMedium 6.7Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HSourcesAll 2 agree
- NVDNIST6.7MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.08%
Chance of exploitation in the next 30 days
Percentile
0%
Versus all other CVEs
30-day change
0.00 pp
From 0.08% on 21-09-2026
21-09-202621-10-2026
EPSS score0.08%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-1285Improper Validation of Specified Index, Position, or Offset in InputThe product receives input that is expected to specify an index, position, or offset into an indexable resource such as a buffer or file, but it does not validate or incorrectly validates that the specified index/position/offset has the required properties.
- CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.
Affected systems
Google1 product
- android15.0
Mediatek, inc.1 product
- mediatek chipsetMT2718 | MT6899 | MT6991 | MT8678 | MT8793
2 vendors · 2 products
References
1 links- corp.mediatek.com/product-security-bulletin/March-2026Vendor Advisory