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PatchSiren cyber security CVE debrief

CVE-2026-113022 Google CVE debrief

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-10-20T21:01:59.021Z. This memory corruption vulnerability in PDFium in Google Chrome prior to 156.0.8078.47 could potentially allow a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. Defenders should assess exposure and prioritize updating to 156.0.8078.47 or later. The CVE record has not been modified since its publication date of 2026-10-20T21:01:59.021Z.

Vendor
Google
Product
Chrome
CVSS
Unknown
CISA KEV
Not listed in stored evidence
Original CVE published
2026-10-20
Original CVE updated
2026-10-23
Advisory published
2026-10-20
Advisory updated
2026-10-23

Who should care

Defenders responsible for Google Chrome deployments should assess exposure and prioritize updating to 156.0.8078.47 or later. This includes operators, platform administrators, vulnerability management teams, and security teams who need to verify Chrome versions and implement secure coding practices for PDFium. The vulnerability could potentially allow a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page, making it crucial

Why it matters

Defenders should prioritize verifying Chrome versions and updating to 156.0.8078.47 or later due to a potential memory corruption vulnerability in PDFium.

  • Potential sandbox escape requires verification
  • Code execution inside sandbox requires verification
  • Chrome version verification is necessary
  • Updating to 156.0.8078.47 or later is recommended

Technical summary

A memory corruption vulnerability in PDFium in Google Chrome prior to 156.0.8078.47 could potentially allow a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. The vulnerability exists due to improper handling of PDFium, which can lead to code execution inside the sandbox. Defenders should prioritize verifying Chrome versions and updating to 156.0.8078.47 or later to mitigate this vulnerability. The CVE record and source item provide details on this vulnerability, but further verification is necessary to confirm affected scope and severity.

Defensive priority

Defenders should prioritize verifying Chrome versions and updating to 156.0.8078.47 or later.

Recommended defensive actions

  • Verify Chrome version and update to 156.0.8078.47 or later
  • Review and implement secure coding practices for PDFium
  • Monitor for potential sandbox escapes
  • 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 source item provide details on a memory corruption vulnerability in PDFium in Google Chrome prior to 156.0.8078.47. The vulnerability could potentially allow a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. Defenders should verify Chrome versions and update to 156.0.8078.47 or later. The source details are limited, and further verification is necessary to confirm affected scope and severity.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-113022 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-113022

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

  • CVE-2026-113022 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-113022

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

Supplemental references

  • CVE-2026-113022

    Unverified legacy reference

    URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/113xxx/CVE-2026-113022.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/494352583

    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.