CVE-2026-106421: High Use after free in PDF
Chromium CVE-2026-106421: Use after free
Other sources
This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.
— Microsoft
Use after free in PDF in Google Chrome prior to 155.0.8059.39 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)
— NVD
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 155.0.4283.45 - Upgrade
Upgrade
Google Chrometo a version that resolves this vulnerability.Fixed in 155.0.8059.39 - Upgrade
Upgrade
Microsoft Edge (Chromium-based)to a version that resolves this vulnerability.Fixed in 155.0.8059.39
Event History
Peer vulnerabilities
Found alongside the following vulnerabilities.
- CVE-2026-103629
- CVE-2026-110166
- CVE-2026-113279
- CVE-2026-19175
- CVE-2026-87558
- CVE-2026-87474
- CVE-2026-87581
- CVE-2026-110918
- CVE-2026-110915
- CVE-2026-95318
- CVE-2026-110138
- CVE-2026-91735
- CVE-2026-110148
- CVE-2026-113271
- CVE-2026-113072
- CVE-2026-110154
- CVE-2026-110171
- CVE-2026-110172
- CVE-2026-110922
- CVE-2026-113175
- CVE-2026-91746
- CVE-2026-110136
- CVE-2026-113339
- CVE-2026-110913
- CVE-2026-110151
- CVE-2026-102319
- CVE-2026-91731
- CVE-2026-95324
- CVE-2026-95299
- CVE-2026-110161
- CVE-2026-95286
- CVE-2026-95365
- CVE-2026-103623
- CVE-2026-106383
- CVE-2026-113280
- CVE-2026-110170
- CVE-2026-110141
- CVE-2026-110163
- CVE-2026-110147
- CVE-2026-95343
- CVE-2026-106211
- CVE-2026-106233
- CVE-2026-102308
- CVE-2026-102304
- CVE-2026-102316
- CVE-2026-102324
- CVE-2026-106184
- CVE-2026-106329
- CVE-2026-110162
- CVE-2026-110157
- CVE-2026-110142
- CVE-2026-106204
- CVE-2026-106347
- CVE-2026-106200
- CVE-2026-106257
- CVE-2026-106190
- CVE-2026-106318
- CVE-2026-87444
- CVE-2026-110137
- CVE-2026-79122
- CVE-2026-102306
- CVE-2026-103622
- CVE-2026-106423
- CVE-2026-95348
- CVE-2026-106358
- CVE-2026-91715
- CVE-2026-91741
- CVE-2026-91709
- CVE-2026-91711
Frequently Asked Questions
Which Chrome versions are affected?
Google Chrome versions prior to 155.0.8059.39 are affected.
What does an attacker need to exploit this issue?
An attacker can attempt exploitation remotely by getting a user to interact with a crafted HTML page. The CVSS vector indicates no privileges are required, but user interaction is required.
What is the potential impact of successful exploitation?
Successful exploitation can allow arbitrary code execution inside the Chrome sandbox. The listed CVSS impacts rate confidentiality, integrity, and availability as high.
How should this be remediated?
Update Google Chrome to version 155.0.8059.39 or later.