CVE-2026-3939
published 2026-03-11CVE-2026-3939: Insufficient policy enforcement in PDF in Google Chrome prior to 146.0.7680.71 allowed a remote attacker to bypass navigation restrictions via a crafted PDF…
PriorityP428medium5.3CVSS 3.1
AVNACLPRNUINSUCNILAN
EPSS
0.15%
4.4th percentile
Insufficient policy enforcement in PDF in Google Chrome prior to 146.0.7680.71 allowed a remote attacker to bypass navigation restrictions via a crafted PDF file. (Chromium security severity: Low)
Affected
8 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| chromium | chromium | >= 0 < 146.0.7680.71-1~deb12u1 | 146.0.7680.71-1~deb12u1 |
| chromium | chromium | >= 0 < 146.0.7680.71-1~deb13u1 | 146.0.7680.71-1~deb13u1 |
| chromium | chromium | >= 0 < 146.0.7680.71-1 | 146.0.7680.71-1 |
| debian | chromium | < chromium 146.0.7680.71-1~deb12u1 (bookworm) | chromium 146.0.7680.71-1~deb12u1 (bookworm) |
| chrome | < 146.0.7680.71 | 146.0.7680.71 | |
| chrome | >= 146.0.7680.71 < 146.0.7680.71 | 146.0.7680.71 | |
| chrome_chrome | — | — | |
| msrc | microsoft_edge | — | — |
CVSS provenance
nvdv3.15.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
osv5.3MEDIUM
vendor_debian5.3MEDIUM
vendor_msrc5.3MEDIUM
vendor_redhat5.3MEDIUM
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Chrome
Stable Channel Update for ChromeOS / ChromeOS Flex: CVE-2026-3939
vendor_chrome·2026-03-24·CVSS 5.3
CVE-2026-3939 [MEDIUM] Stable Channel Update for ChromeOS / ChromeOS Flex: CVE-2026-3939
Stable Channel Update for ChromeOS / ChromeOS Flex
CVE-2026-3939
Microsoft
Chromium: CVE-2026-3939 Use after free in WebView
vendor_msrc·2026-03-10·CVSS 5.3
CVE-2026-3939 [MEDIUM] Chromium: CVE-2026-3939 Use after free in WebView
Chromium: CVE-2026-3939 Use after free in WebView
Description: This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.
FAQ: Why is this Chrome CVE included in the Security Update Guide?
The vulnerability assigned to this CVE is in Chromium Open Source Software (OSS) which is consumed by Microsoft Edge (Chromium-based). It is being documented in the Security Update Guide to announce that the latest version of Microsoft Edge (Chromium-based) is no longer vulnerable.
How can I see the version of the browser?
In your Microsoft Edge browser, click on the 3 dots (...) on the very right-hand side of the window
Click on Help and Feedback
Click on About Microsoft Edge
FAQ: Wha
Red Hat
chromium-browser: Insufficient policy enforcement in PDF
vendor_redhat·2026-03-10·CVSS 5.3
CVE-2026-3939 [MEDIUM] chromium-browser: Insufficient policy enforcement in PDF
chromium-browser: Insufficient policy enforcement in PDF
Insufficient policy enforcement in PDF in Google Chrome prior to 146.0.7680.71 allowed a remote attacker to bypass navigation restrictions via a crafted PDF file. (Chromium security severity: Low)
An insufficient policy enforcement flaw was found in the PDF component of the Chromium browser.
Upstream bug(s):
https://code.google.com/p/chromium/issues/detail?id=40058077
Statement: Red Hat Product Security rates the severity of this flaw as determined by the Google Chrome Security Advisory.
Debian
CVE-2026-3939: chromium - Insufficient policy enforcement in PDF in Google Chrome prior to 146.0.7680.71 a...
vendor_debian·2026·CVSS 5.3
CVE-2026-3939 [MEDIUM] CVE-2026-3939: chromium - Insufficient policy enforcement in PDF in Google Chrome prior to 146.0.7680.71 a...
Insufficient policy enforcement in PDF in Google Chrome prior to 146.0.7680.71 allowed a remote attacker to bypass navigation restrictions via a crafted PDF file. (Chromium security severity: Low)
Scope: local
bookworm: resolved (fixed in 146.0.7680.71-1~deb12u1)
bullseye: open
forky: resolved (fixed in 146.0.7680.71-1)
sid: resolved (fixed in 146.0.7680.71-1)
trixie: resolved (fixed in 146.0.7680.71-1~deb13u1)
GHSA
GHSA-frgx-w57m-9m62: Insufficient policy enforcement in PDF in Google Chrome prior to 146
ghsa_unreviewed·2026-03-12
CVE-2026-3939 [MEDIUM] CWE-284 GHSA-frgx-w57m-9m62: Insufficient policy enforcement in PDF in Google Chrome prior to 146
Insufficient policy enforcement in PDF in Google Chrome prior to 146.0.7680.71 allowed a remote attacker to bypass navigation restrictions via a crafted PDF file. (Chromium security severity: Low)
OSV
CVE-2026-3939: Insufficient policy enforcement in PDF in Google Chrome prior to 146
osv·2026-03-11·CVSS 5.3
CVE-2026-3939 [MEDIUM] CVE-2026-3939: Insufficient policy enforcement in PDF in Google Chrome prior to 146
Insufficient policy enforcement in PDF in Google Chrome prior to 146.0.7680.71 allowed a remote attacker to bypass navigation restrictions via a crafted PDF file. (Chromium security severity: Low)
No detection rules found.
No public exploits indexed.
2026-03-11
Published