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CVE-2026-78915

HIGH 7.5 ALL-YEARS

Published 2026-08-25 · Last modified 2026-08-27 · Chrome · NVD: Analyzed

Race condition in Enterprise in Google Chrome on on Windows prior to 152.0.7977.65 allowed an adjacent attacker to potentially execute arbitrary code outside the sandbox via crafted network traffic. (Chromium security severity: Low)

ELEVATED IMPACT

Severe if exploited (CVSS 7.5), but no confirmed exploitation. Patch on a normal cadence.

Exploitation likelihood

0.1%chance of exploitation in 30 days · 4th percentile

○ In CISA KEV○ Catalogued PoC◆ SSVC: exploitation none, automatable no

Impact if exploited

7.5CVSS 3.1 · HIGH · ADP

  • ConfidentialityHigh
  • IntegrityHigh
  • AvailabilityHigh

What an attacker needs

  • ⚠Access: Must sit on the same / adjacent network
  • ✓Privileges: No account or privileges required
  • ✓User interaction: No user interaction needed
  • ⚠Complexity: Needs a race window or specific setup

✓ lowers the bar for an attacker · ⚠ raises it

Proof of concept

No public PoC is currently catalogued.

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Affected

Vendors Google Microsoft

Products Chrome Windows

Weakness (CWE)

  • CWE-362: Race condition

CVSS vector

CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

References and research data (JSON)

Vendor product assessments

  • All currently supported Red Hat products · known not affected

    Vendor assessment for this product only.

    Reason: vulnerable code not present

    Red Hat · CVE-2026-78915 · Updated 2026-08-26T16:25:05+00:00

Known Affected Software Configurations

VendorProductVersion range
GoogleChrome< 152.0.7977.65

All CVSS metrics

  • HIGH 7.5 v3.1 · ADP Primary
    CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
  • HIGH 7.5 v3.1 · NVD Secondary
    CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Advisories

Technical & other

Sources: NVD · CVE.org · All sources and attribution · EPSS