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CVE-2026-17843VulnerabilityPublished

CSS · Inappropriate Implementation

Affects chromeSource GCVE Database

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Authoritative record:CVE-2026-17843· Medium 4.3

Not known to be exploited · CVSS 4.3 Medium : upgrade to 151.0.7922.72 when convenient.

Data as of 29 Oct 2026, 07:15 UTC

CVSS 3.1 base score
4.3Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.2% chance of exploitation in 30 days – higher than 11% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Affects
Google Chrome prior to 151.0.7922.72
Patch
Available – fixed in 151.0.7922.72
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 30 Jul 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.

What to do

Upgrade google/chrome to 151.0.7922.72.

Affected software

ProductAffectedFixed in
Googlegoogle/chromepkg:deb/google/chromeOther threatsAffected
  • <151.0.7922.72
Fixed in
  • 151.0.7922.72

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Since the vulnerability affects versions prior to 151.0.7922.72, updating Google Chrome to version 151.0.7922.72 or later is recommended once official patches or updates are confirmed by the vendor.

Description

Inappropriate implementation in CSS in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)

References

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