Type Vulnerability
CVE-2026-79177 has an estimated ~0.3% chance of attack in 30 days (21.1th percentile) as of 2026-10-28 — probability signal, not confirmed exploitation Exploitation in the wild is not confirmed…
Authorisation Flaw in Media in Google Chrome on on Windows prior to 152.0.7977.65 allowed a remote attacker who had compromised the renderer process to bypass system access r…
CVE-2026-79177
What this means
This is rated medium severity (6.5 out of 10). There is no confirmed exploitation of it yet. Ask IT whether Google Chrome and Microsoft Windows are in your estate.
Full vendor description
Incorrect authorization in Media in Google Chrome on on Windows prior to 152.0.7977.65 allowed a remote attacker who had compromised the renderer process to bypass system access restrictions via a crafted HTML page. (Chromium security severity: Low)
Scoring and exploitation
6.5/ 10
CVSS 3.1 base scoreMedium
Exploitable over the network without any account, but only if a user takes an action, such as opening a file or link. High impact on integrity.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Exploitability
Longer bar: easier to attack
Attack vectorNetworkAV:N
Attack complexityLowAC:L
Privileges requiredNonePR:N
User interactionRequiredUI:R
ScopeUnchangedS:U
Impact
Longer bar: more harm
ConfidentialityNoneC:N
IntegrityHighI:H
AvailabilityNoneA:N
- ~0.3% 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-863
Affected products ()
- Google Chrome
- Microsoft Windows
Show the raw CPE strings (2)
- cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
- cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
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_0256176589.html (opens in a new tab)Release Notes · Vendor Advisory
issues.chromium.org1 link
- 520002854 (opens in a new tab)Permissions Required