What is the CVSS score of CVE-2025-12439?

CVE-2025-12439 has a CVSS 3.1 base score of 5.5 (Medium). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N. EPSS exploitation probability: 0.0%.

Which versions of Chrome are affected by CVE-2025-12439?

Organizations using App-Bound Encryption in Google Chrome on Windows should be aware of moderate risk from CVE-2025-12439 rated CVSS 5.5.. A patch is available.

Is there a public PoC exploit available for CVE-2025-12439?

Yes, a public proof-of-concept exploit is available for CVE-2025-12439. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2025-12439?

Within 30 days: Identify affected systems running App-Bound Encryption in Google Chrome on Windows and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

Chrome CVE-2025-12439

MEDIUM

Inadequate Encryption Strength (CWE-326)

2025-11-10 chrome-cve-admin@google.com

Google Information Disclosure Microsoft Chrome Windows Red Hat Suse

5.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.5 MEDIUM

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

SUSE

MEDIUM

qualitative

Red Hat

6.5 MEDIUM

qualitative

Primary rating from NVD.

CVSS VectorNVD

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

Patch released

Apr 05, 2026 - 02:30 nvd

Patch available

Analysis Generated

Mar 28, 2026 - 19:21 vuln.today

PoC Detected

Nov 13, 2025 - 15:24 vuln.today

Public exploit code

CVE Published

Nov 10, 2025 - 20:15 nvd

MEDIUM 5.5

DescriptionCVE.org

AnalysisAI

Inappropriate implementation in App-Bound Encryption in Google Chrome on Windows prior to 142.0.7444.59 allowed a local attacker to obtain potentially sensitive information from process memory via a. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-326. Inappropriate implementation in App-Bound Encryption in Google Chrome on Windows prior to 142.0.7444.59 allowed a local attacker to obtain potentially sensitive information from process memory via a malicious file. (Chromium security severity: Medium) Affected products include: Google Chrome. Version information: prior to 142.0.7444.59.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

More from same product – last 7 days

CVE-2026-12440 CRITICAL Act Now

9.6 Jun 17

Use after free in DigitalCredentials in Google Chrome on Windows prior to 149.0.7827.155 allowed a remote attacker to po

CVE-2026-12443 HIGH This Week

8.8 Jun 17

Use after free in Web Authentication in Google Chrome prior to 149.0.7827.155 allowed a remote attacker to execute arbit

CVE-2026-12466 HIGH This Week

8.8 Jun 17

Heap buffer overflow in WebRTC in Google Chrome on Windows prior to 149.0.7827.155 allowed a remote attacker to execute

CVE-2026-12442 HIGH This Week

8.8 Jun 17

Use after free in Passwords in Google Chrome on Android prior to 149.0.7827.155 allowed a remote attacker to execute arb

CVE-2026-12447 HIGH This Week

8.8 Jun 17

Heap buffer overflow in WebRTC in Google Chrome prior to 149.0.7827.155 allowed a remote attacker to execute arbitrary c

Vendor StatusVendor

SUSE

Severity: Medium

Product	Status
SUSE Package Hub 15 SP6	Fixed
openSUSE Leap 15.6	Fixed
openSUSE Tumbleweed	Fixed
SUSE Package Hub 15 SP6	Fixed

CVE-2025-12439 vulnerability details – vuln.today

Back

Chrome CVE-2025-12439

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

Technical ContextAI

RemediationAI

More from same product – last 7 days

Vendor StatusVendor

SUSE

Share

External POC / Exploit Code