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PatchSiren cyber security CVE debrief

CVE-2026-0199 Google CVE debrief

CVE-2026-0199 is a high-severity vulnerability in the gf_ta_test_set_config function of gf_ta_test.c, which could lead to local escalation of privilege. The vulnerability has a CVSS score of 7.8 and requires no additional execution privileges or user interaction for exploitation. This vulnerability affects Android systems and defenders should prioritize verifying and applying patches from Google, assessing exposure in Android systems, and monitoring for potential exploitation attempts.

Vendor
Google
Product
Android
CVSS
HIGH 7.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-09-15
Original CVE updated
2026-09-21
Advisory published
2026-09-15
Advisory updated
2026-09-21

Who should care

Defenders responsible for Android systems, vulnerability management teams, and security researchers should be aware of this vulnerability and its potential impact. They should prioritize verifying and applying patches from Google, assessing exposure in Android systems, and monitoring for potential exploitation attempts. Additionally, they should review compensating controls for exposed systems while remediation is scheduled and verified, and check relevant

Why it matters

CVE-2026-0199 is a high-severity vulnerability in Android systems that could lead to local escalation of privilege. Defenders should prioritize verifying and applying patches from Google, assessing exposure in Android systems, and monitoring for potential exploitation attempts.

  • Local escalation of privilege is possible without additional execution privileges
  • No user interaction is required for exploitation
  • CVSS score of 7.8 indicates high severity

Technical summary

The gf_ta_test_set_config function in gf_ta_test.c is vulnerable to an out-of-bounds write due to improper input validation, potentially leading to local escalation of privilege. This vulnerability affects Android systems and has a CVSS score of 7.8, indicating high severity. Defenders should prioritize verifying and applying patches from Google, assessing exposure in Android systems, and monitoring for potential exploitation attempts. The vulnerability does not require additional execution privileges or user interaction for exploitation.

Defensive priority

Defenders should prioritize verifying and applying patches from Google, assessing exposure in Android systems, and monitoring for potential exploitation attempts.

Recommended defensive actions

  • Verify and apply patches from Google
  • Assess exposure in Android systems
  • Monitor for potential exploitation attempts
  • Review compensating controls for exposed systems while remediation is scheduled and verified
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review
  • Track exceptions, retest remediated assets, and close the item only after evidence is documented
  • Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE record and NVD vulnerability detail page provide information on the vulnerability, including its CVSS score, description, and potential impact. The vulnerability has been identified in the gf_ta_test_set_config function of gf_ta_test.c and defenders should verify and apply patches from Google. The NVD vulnerability detail page provides additional information on the vulnerability, including its potential impact and affected systems.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-0199 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-0199

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-0199 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-0199

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.