In multiple locations, there is a possible out-of-bounds write due to uninitialized data.

published 2026-10-05 34 d ago modified 2026-11-05 3 d ago also EUVD-2026-92609

cvss: 8.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 13%
public exploits: 0; none known

In multiple locations, there is a possible out-of-bounds write due to uninitialized data. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Patch / fix

links 1

source.android.com/docs/security/bulletin/2026/2026-10-01 advisory

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 35 d ago (2026-10-05)

Exploit prediction

0.23% chance of exploitation in the next 30 days, higher than 13% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

Google Android

Classification

Weakness

CWE-457 Use of Uninitialized Variable

References

source.android.com /docs/security/bulletin/2026/2026-10-01
patch, vendor-advisory

Sources

CVE List CVE-2026-55280
NVD CVE-2026-55280

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Summary