What is CVE-2021-26277?

CVE-2021-26277 is a medium-severity vulnerability in Google Android, classified under Code Injection. CVSS score: 5.6/10. Published 2023-02-17.

How severe is CVE-2021-26277?

Medium severity. CVSS v3 base score is 5.6 out of 10.

RCE in Google Android

CVE-2021-26277

The framework service handles pendingIntent incorrectly, allowing a malicious application with certain privileges to perform privileged actions.

Vulnerability class: RCE (Remote Code Execution)

Published 2023-02-17 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.6 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N.

EPSS exploit prediction

EPSS: 0.003 (24.8th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 25th percentile — 24.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-94 — Code Injection

References

www.vivo.com/en/support/security-advisory-detail (Vendor Advisory)

Frequently asked questions

What is CVE-2021-26277?: CVE-2021-26277 is a medium-severity vulnerability in Google Android, classified under Code Injection. CVSS score: 5.6/10. Published 2023-02-17.
How severe is CVE-2021-26277?: Medium severity. CVSS v3 base score is 5.6 out of 10.