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PatchSiren cyber security CVE debrief

CVE-2026-28596 Google CVE debrief

CVE-2026-28596 is a medium-severity vulnerability in the GameManagerService.java of the Android operating system. A local attacker can exploit this vulnerability to cause a permanent denial of service due to resource exhaustion, without needing additional execution privileges or user interaction. This issue affects Android systems, particularly those with sensitive or critical operations, and defenders should assess exposure and prioritize patching. The vulnerability has a CVSS score of 5.5 and is classified as medium severity. Exploitation can lead to local denial-of-service attacks, disrupting critical operations and causing permanent resource exhaustion.

Vendor
Google
Product
Android
CVSS
MEDIUM 5.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-09-08
Original CVE updated
2026-09-15
Advisory published
2026-09-08
Advisory updated
2026-09-15

Who should care

Defenders responsible for Android system security, particularly those managing sensitive or critical operations, should assess exposure and prioritize patching to prevent potential local denial-of-service attacks.

Why it matters

CVE-2026-28596 is a medium-severity vulnerability in Android's GameManagerService.java that can lead to local denial of service. Defenders should prioritize verifying and patching affected systems to prevent potential attacks.

  • Local denial-of-service attacks can disrupt critical operations
  • Successful exploitation can lead to permanent resource exhaustion
  • Defenders need to verify affected versions and apply patches

Technical summary

The vulnerability exists in the parseInterventionFromXml function of GameManagerService.java. An attacker can exploit this vulnerability to cause a permanent denial of service due to resource exhaustion. The vulnerability has a CVSS score of 5.5 and is classified as medium severity. This issue affects Android systems, particularly those with sensitive or critical operations. Defenders should prioritize verifying and patching affected systems to prevent potential local denial-of-service attacks. The CVE record and NVD entry provide details on the vulnerability, including its description, CVSS score, and affected versions.

Defensive priority

Defenders should prioritize verifying and patching affected Android systems, particularly those with sensitive or critical operations, to prevent potential local denial-of-service attacks.

Recommended defensive actions

  • Verify and apply patches for affected Android versions
  • Conduct vulnerability assessments to identify exposed systems
  • Implement monitoring to detect 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 entry provide details on the vulnerability, including its description, CVSS score, and affected versions. However, specific version remediation details are not provided in the corpus.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-28596 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-28596

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

  • CVE-2026-28596 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-28596

    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.