Type Vulnerability
A race condition in Google Chrome extensions on Mac before version 157.0.8103.78 could allow a remote attacker who had compromised the renderer process to access sensitive information.
Race condition in Extensions in Google Chrome on on Mac prior to 157.0.8103.78 allowed a remote attacker who had compromised the renderer process to obtain sensitive information v…
CVE-2026-126906
What this means
This is rated medium severity (5.9 out of 10). There is no confirmed exploitation of it yet. Ask IT whether Google Chrome and Apple Macos are in your estate.
Full vendor description
Race condition in Extensions in Google Chrome on on Mac prior to 157.0.8103.78 allowed a remote attacker who had compromised the renderer process to obtain sensitive information via crafted network traffic. (Chromium security severity: High)
Scoring and exploitation
5.9/ 10
CVSS 3.1 base scoreMedium
Exploitable over the network without any account, under specific conditions, and no one has to click or open anything. High impact on confidentiality.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Exploitability
Longer bar: easier to attack
Attack vectorNetworkAV:N
Attack complexityHighAC:H
Privileges requiredNonePR:N
User interactionNoneUI:N
ScopeUnchangedS:U
Impact
Longer bar: more harm
ConfidentialityHighC:H
IntegrityNoneI:N
AvailabilityNoneA:N
- ~0.2% estimated chance of attack in 30 daysModel estimate (): a probability signal, not confirmed exploitation
- Exploited in the wild
- Not confirmed in the
- Not reported
Weaknesses
CWE-367
Affected products ()
- Google Chrome
- Apple Macos
Show the raw CPE strings (2)
- cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
- cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*
References
2 links from the CVE record, grouped by site; the vendor's advisory comes first.
chromereleases.googleblog.com1 linkVendor advisory
- stable-channel-update-for-desktop_01744469280.html (opens in a new tab)Release Notes · Vendor Advisory
issues.chromium.org1 link
- 578693038 (opens in a new tab)Permissions Required