SB2026040983 - Multiple vulnerabilities in Prisma Access Browser
Published: April 9, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 31 secuirty vulnerabilities.
1) Use-after-free (CVE-ID: CVE-2026-5281)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within the Dawn component in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger use-after-free error and execute arbitrary code on the target system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
Note, the vulnerability is being actively exploited in the wild.
2) Spoofing attack (CVE-ID: CVE-2026-3935)
The vulnerability allows a remote attacker to perform a spoofing attack.
The vulnerability exists due to insufficient validation of user-supplied input in WebAppInstalls in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and spoof web page content.
3) Use-after-free (CVE-ID: CVE-2026-3936)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within WebView in Google Chrome. A remote attacker can trick the victim into visiting a specially crafted web page, trigger a use-after-free error and gain access to sensitive information.
4) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2026-3940)
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to insufficient policy enforcement in DevTools in Google Chrome. A remote attacker can trick the victim to visit a specially crafted website, bypass implemented security measures and gain access to sensitive information.
5) Integer overflow (CVE-ID: CVE-2026-4464)
The vulnerability allows a remote attacker to crash the browser.
The vulnerability exists due to a integer overflow in ANGLE in Google Chrome. A remote attacker can trick the victim to visit a specially crafted webpage and crash the browser.
6) Integer overflow (CVE-ID: CVE-2026-4679)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to integer overflow in Fonts component in Google Chrome. A remote attacker can trick the victim to open a specially crafted web page, trigger an integer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
7) Use-after-free (CVE-ID: CVE-2026-4680)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within the FedCM component in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger use-after-free error and execute arbitrary code on the target system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
8) Use-after-free (CVE-ID: CVE-2026-5284)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within the Dawn component in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger use-after-free error and execute arbitrary code on the target system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
9) Out-of-bounds read (CVE-ID: CVE-2026-3926)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition within the V8 component in Google Chrome. A remote attacker can trick the victim into visiting a specially crafted web page, trigger an out-of-bounds read error and gain access to sensitive information.
10) Use-after-free (CVE-ID: CVE-2026-5287)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within the PDF component in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger use-after-free error and execute arbitrary code on the target system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
11) Improperly implemented security check for standard (CVE-ID: CVE-2026-5291)
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to incorrect implementation in WebGL in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and gain access to sensitive information.
12) Out-of-bounds read (CVE-ID: CVE-2026-5292)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition within the WebCodecs component in Google Chrome. A remote attacker can trick the victim into visiting a specially crafted web page, trigger an out-of-bounds read error and gain access to sensitive information.
13) Spoofing attack (CVE-ID: CVE-2026-3927)
The vulnerability allows a remote attacker to perform a spoofing attack.
The vulnerability exists due to insufficient validation of user-supplied input in PictureInPicture in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and spoof web page content.
14) Improperly implemented security check for standard (CVE-ID: CVE-2026-3910)
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to incorrect implementation in V8 in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and compromise the system.
Note, the vulnerability is being exploited in the wild.
15) Heap-based buffer overflow (CVE-ID: CVE-2026-2648)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted HTML content in PDFium. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger a heap-based buffer overflow and execute arbitrary code on the target system.
16) Improper control of a resource through its lifetime (CVE-ID: CVE-2026-3537)
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to improper control of object lifetime in PowerVR in Google Chrome. A remote attacker can trick the victim to visit a specially crafted webpage, trigger a stack-based buffer overflow and execute arbitrary code on the system.
17) Integer overflow (CVE-ID: CVE-2026-2649)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to integer overflow in V8 component in Google Chrome. A remote attacker can trick the victim to open a specially crafted web page, trigger an integer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
18) Heap-based buffer overflow (CVE-ID: CVE-2026-2650)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted HTML content in Media. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger a heap-based buffer overflow and execute arbitrary code on the target system.
19) Out-of-bounds read (CVE-ID: CVE-2026-3061)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition within the Media component in Google Chrome. A remote attacker can trick the victim into visiting a specially crafted web page, trigger an out-of-bounds read error and gain access to sensitive information.
20) Out-of-bounds write (CVE-ID: CVE-2026-3062)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted input in Tint. A remote attacker can trick the victim into visiting a specially crafted website, trigger an out-of-bounds write and execute arbitrary code on the target system.
21) Improperly implemented security check for standard (CVE-ID: CVE-2026-3063)
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to incorrect implementation in DevTools in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and compromise the system.
22) Integer overflow (CVE-ID: CVE-2026-3536)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to integer overflow in ANGLE component. A remote attacker can trick the victim into visiting a specially crafted website, trigger an integer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
23) Integer overflow (CVE-ID: CVE-2026-3538)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to integer overflow in Skia component. A remote attacker can trick the victim into opening a specially crafted website, trigger an integer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
24) Out-of-bounds write (CVE-ID: CVE-2026-3909)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted HTML content in Skia. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger out-of-bounds write and execute arbitrary code on the target system.
Note, the vulnerability is being exploited in the wild.
25) Improper control of a resource through its lifetime (CVE-ID: CVE-2026-3539)
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to improper control of object lifetime in DevTools in Google Chrome. A remote attacker can trick the victim to visit a specially crafted webpage, trigger a stack-based buffer overflow and execute arbitrary code on the system.
26) Improperly implemented security check for standard (CVE-ID: CVE-2026-3540)
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to incorrect implementation in WebAudio in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and compromise the system.
27) Improperly implemented security check for standard (CVE-ID: CVE-2026-3541)
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to incorrect implementation in CSS in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and compromise the system.
28) Improperly implemented security check for standard (CVE-ID: CVE-2026-3542)
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to incorrect implementation in WebAssembly in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and compromise the system.
29) Improperly implemented security check for standard (CVE-ID: CVE-2026-3543)
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to incorrect implementation in V8 in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and compromise the system.
30) Heap-based buffer overflow (CVE-ID: CVE-2026-3544)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted HTML content in WebCodecs. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger a heap-based buffer overflow and execute arbitrary code on the target system.
31) Input validation error (CVE-ID: CVE-2026-3545)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to improper input validation when processing HTML content in Navigation. A remote attacker can trick the victim to open a specially crafted web page and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install update from vendor's website.