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CVE.org (no NVD analysis yet)· CNA Chrome

CVE-2026-126840: Out of bounds write in Network in Google Chrome prior to 157.0.8103.78 allowed a remote attacker to execute arbitrary code inside the…

—No exploit No fix recorded

Noroxi assessment

Priority: Monitor (action score 0/100)

  • The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
  • According to the record, no fixed version is available yet.

Low priority for now. Update when a fix is released; follow the vendor's advisory.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org

Out of bounds write in Network in Google Chrome prior to 157.0.8103.78 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)

Published
Nov 11, 2026
Updated
Nov 11, 2026
EPSS
—

Report tools

JSON

Action score

0

Monitor

Low priority for now.

CVSS
0 / 40 · —
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · —

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  • Not in KEV: no record of exploitation in the wild
  • No public exploit code on record
  • No fixed version yet

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Follow CVE-2026-126840

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  • when EPSS rises 20 points in a week

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Noroxi analysis

What does it mean in your environment?

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

—

Versions reported by the vendor

Affected version ranges reported by the assigning authority (Chrome). Independent of NVD's CPE analysis and usually ahead of it.

  • Google Chrome

    • 157.0.8103.78 and later · before 157.0.8103.78affected

Same product

google: all records

Other highest-scoring records for the same primary product.

  • CVE-2023-4863Heap buffer overflow in libwebp in Google Chrome prior to 116.0.5845.187 and libwebp 1.3.2 allowed a remote attacker to perform an out of…KEV
    95Now
  • CVE-2021-21224Type confusion in V8 in Google Chrome prior to 90.0.4430.85 allowed a remote attacker to execute arbitrary code inside a sandbox via a…KEV
    90Now
  • CVE-2018-17463Incorrect side effect annotation in V8 in Google Chrome prior to 70.0.3538.64 allowed a remote attacker to execute arbitrary code inside a…KEV
    90Now

Published before and after this one in the same product

  • ← EarlierCVE-2026-125349Nov 10, 2026 · Uninitialized resource in GPU in Google Chrome on on Android prior to 157.0.8103.50 allowed a remote attacker who had compromised the…
    13Monitor
  • ← EarlierCVE-2026-125350Nov 10, 2026 · Use after free in XML in Google Chrome prior to 157.0.8103.50 allowed a remote attacker to execute arbitrary code inside the sandbox via a…KEV
    65This week
  • Later →CVE-2026-126841Nov 11, 2026 · Out of bounds read in Skia in Google Chrome prior to 157.0.8103.78 allowed a remote attacker who had compromised the renderer process to…
    0Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

No history yet (it accumulates with the daily EPSS job).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

  • CVE-2025-14174334 days apartOut of bounds memory access in ANGLE in Google Chrome on Mac prior to 143.0.7499.110 allowed a remote attacker to perform out of bounds…KEV
    82Now
  • CVE-2026-8749164 days apartOut of bounds write in V8 in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to execute arbitrary code inside the sandbox…KEV
    66This week
  • CVE-2026-3909243 days apartOut of bounds write in Skia in Google Chrome prior to 146.0.7680.75 allowed a remote attacker to perform out of bounds memory access via a…KEV
    66This week
  • CVE-2026-1209318 days apartOut of bounds write in WebGL in Google Chrome on on Android prior to 156.0.8078.47 allowed a remote attacker to execute arbitrary code…
    38Monitor
  • CVE-2026-1210378 days apartOut of bounds write in ANGLE in Google Chrome on on Windows prior to 157.0.8103.38 allowed a remote attacker to potentially execute…
    38Monitor
  • CVE-2026-10640136 days apartOut of bounds write in Media in Google Chrome prior to 155.0.8059.39 allowed a remote attacker to potentially execute arbitrary code…
    38Monitor

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

No CVSS vector for this record, so attack conditions can't be derived.

Weakness class (CWE)

CWE-787 · Out-of-bounds Write

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Change log

  1. Exploit maturity— → none

For records you follow, these changes also arrive as notifications. →

References

Show all references (1 more)

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records