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CVE-2026-113325 Google CVE debrief

CVE-2026-113325 debrief based on CVE Program and NVD records. Google Chrome for iOS versions prior to 156.0.8078.47 have a memory corruption vulnerability in SignIn. This CVE was published on 2026-10-20T21:02:19.211Z and has not been modified since then. The NVD entry is currently null. The vulnerability could allow a remote attacker to potentially read memory inside the sandbox via a crafted HTML page. Defenders should assess exposure and verify version 156.0.8078.47 or later is deployed.

Vendor
Google
Product
Chrome
CVSS
Unknown
CISA KEV
Not listed in stored evidence
Original CVE published
2026-10-20
Original CVE updated
2026-10-21
Advisory published
2026-10-20
Advisory updated
2026-10-21

Who should care

Defenders responsible for managing Google Chrome deployments on iOS should assess exposure and verify version 156.0.8078.47 or later is deployed. This includes operators, security teams, and vulnerability management teams. They should also review compensating controls for exposed systems while remediation is scheduled and verified.

Why it matters

CVE-2026-113325 is a memory corruption vulnerability in Google Chrome for iOS that could allow a remote attacker to potentially read memory inside the sandbox. Defenders should prioritize verifying Chrome for iOS version 156.0.8078.47 or later and assess exposure for users accessing Chrome on iOS.

  • Verify Chrome for iOS version 156.0.8078.47 or later to prevent potential memory corruption
  • Assess exposure for users accessing Chrome on iOS to prioritize remediation

Technical summary

Memory corruption in SignIn in Google Chrome on iOS prior to 156.0.8078.47 allowed a remote attacker to potentially read memory inside the sandbox via a crafted HTML page. The vulnerability has a medium severity and defenders should prioritize verifying Chrome for iOS version 156.0.8078.47 or later and assess exposure for users accessing Chrome on iOS. The CVE Program and NVD records provide additional details on the vulnerability. Defenders should review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance.

Defensive priority

Defenders should prioritize verifying Chrome for iOS version 156.0.8078.47 or later, and assess exposure for users accessing Chrome on iOS.

Recommended defensive actions

  • Verify Chrome for iOS version 156.0.8078.47 or later is deployed
  • Assess exposure for users accessing Chrome on iOS
  • Monitor for potential memory corruption attacks
  • 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 memory corruption vulnerability in Google Chrome for iOS. However, additional information on exploitation or impact is limited. Defenders should verify Chrome for iOS version 156.0.8078.47 or later and assess exposure for users accessing Chrome on iOS. The CVE Program and NVD records indicate a medium severity vulnerability.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-113325 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-113325

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

  • CVE-2026-113325 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-113325

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

Supplemental references

  • CVE-2026-113325

    Unverified legacy reference

    URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/113xxx/CVE-2026-113325.json

    cve_program_cvelist_v5

  • Source reference

    Unverified legacy reference

    URL: https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_02018666648.html

    Supplemental source

  • Source reference

    Unverified legacy reference

    URL: https://issues.chromium.org/issues/518088604

    Supplemental source

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.