VulnerabilityUndergoing Analysis

CVE-2026-55273

In AppendCommentLine of AnnotationProcessor.cpp, there is a possible supply chain risk due to improper input validation.

HIGH 7.8EPSS 0.08%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.08%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

In AppendCommentLine of AnnotationProcessor.cpp, there is a possible supply chain risk due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

CVSS 3.1: 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.08% probability · 0th percentile
CISA KEV: Not listed
Weakness: CWE-20
Source: security@android.com

References

https://source.android.com/docs/security/bulletin/2026/2026-09-01

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.