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CVE Database
Published vulnerabilities with severity, known exploitation and official sources.
CVE-2026-50263
Medium · 5.5
CWE-416 Jun 5, 2026
Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free information disclosure in createsaverwindow()
A use-after-free flaw was found in the X.Org X server and Xwayland in CreateSaverWindow(). A client can trigger a use-after-free read after changing window attributes and forcing the screen saver, leading to information disclosure.
CVE-2026-50261
High · 7.8
CWE-416 Jun 5, 2026
Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free in syncchangecounter()
A use-after-free flaw was found in the X.Org X server and Xwayland in SyncChangeCounter(). A client that sets up multiple SyncCounters can trigger a use-after-free when destroying those counters via a second client connection while changing those counters. This may be used to crash the server, or for privilege escalation if the X server runs as root.
CVE-2026-50260
High · 7.8
CWE-416 Jun 5, 2026
Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free in freecounter()
A use-after-free flaw was found in the X.Org X server and Xwayland in FreeCounter(). A client that sets up multiple SyncCounters and awaits on those triggers can trigger a use-after-free when destroying those counters via a second client connection. This may be used to crash the server, or for privilege escalation if the X server runs as root.
CVE-2026-50257
High · 7.8
CWE-416 Jun 5, 2026
Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: use-after-free in misyncdestroyfence()
A use-after-free flaw was found in the X.Org X server and Xwayland in miSyncDestroyFence(). A client that sets up multiple fence triggers can trigger a use-after-free function pointer call. An attacker would connect to the X server to set up a fence and await that fence, then a second X connection destroys the fence, causing the use-after-free. This may be used to crash the server, or for privilege escalation if the X server runs as root.
CVE-2026-11307
High · 8.8
CWE-416 Jun 4, 2026
Use After Free in Google Chrome
Use after free in PDFium in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted PDF file. (Chromium security severity: Low)
CVE-2026-11306
High · 8.8
CWE-416 Jun 4, 2026
Use After Free in Google Chrome
Use after free in PDFium in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted PDF file. (Chromium security severity: Low)
CVE-2026-11305
High · 8.8
CWE-416 Jun 4, 2026
Use After Free in Google Chrome
Use after free in PDFium in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted PDF file. (Chromium security severity: Low)
CVE-2026-11304
High · 8.8
CWE-416 Jun 4, 2026
Use After Free in Google Chrome
Use after free in PDFium in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to potentially exploit heap corruption via a crafted PDF file. (Chromium security severity: Low)
CVE-2026-11303
High · 8.8
CWE-416 Jun 4, 2026
Use After Free in Google Chrome
Use after free in PDFium in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted PDF file. (Chromium security severity: Low)
CVE-2026-11293
Critical · 9.6
CWE-416 Jun 4, 2026
Google Chrome Input Use-After-Free Enabling Possible Sandbox Escape
Use after free in Input in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Low)
CVE-2026-11262
High · 8.8
CWE-416 Jun 4, 2026
Use After Free in Google Chrome
Use after free in TabStrip in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to execute arbitrary code via a crafted HTML page. (Chromium security severity: Low)
CVE-2026-11250
Critical · 9.6
CWE-416 Jun 4, 2026
Google Chrome DevTools - Information Disclosure via Inappropriate Implementation
Inappropriate implementation in DevTools in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium security severity: Low)
CVE-2026-11249
Medium · 4.7
CWE-416 Jun 4, 2026
Use After Free in Google Chrome
Use after free in Network in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium security severity: Low)
CVE-2026-11230
High · 8.8
CWE-416 Jun 4, 2026
Use After Free in Google Chrome
Use after free in Extensions in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: Low)
CVE-2026-11224
High · 8.1
CWE-416 Jun 4, 2026
Use After Free in Google Chrome
Use after free in Chromoting in Google Chrome on Linux prior to 149.0.7827.53 allowed a remote attacker to execute arbitrary code via malicious network traffic. (Chromium security severity: Low)
CVE-2026-11208
Medium · 6.5
CWE-416 Jun 4, 2026
Use After Free in Google Chrome
Use after free in Codecs in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium security severity: Medium)
CVE-2026-11201
High · 8.8
CWE-416 Jun 4, 2026
Use After Free in Google Chrome
Use after free in ServiceWorker in Google Chrome prior to 149.0.7827.53 allowed an attacker who convinced a user to install a malicious extension to execute arbitrary code via a crafted Chrome Extension. (Chromium security severity: Medium)
CVE-2026-11188
High · 8.8
CWE-416 Jun 4, 2026
Use After Free in Google Chrome
Use after free in USB in Google Chrome on Android prior to 149.0.7827.53 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Medium)
CVE-2026-11185
High · 8.1
CWE-416 Jun 4, 2026
Use After Free in Google Chrome
Use after free in V8 in Google Chrome prior to 149.0.7827.53 allowed an attacker who convinced a user to install a malicious extension to execute arbitrary code inside a sandbox via a crafted Chrome Extension. (Chromium security severity: Medium)
CVE-2026-11177
High · 8.8
CWE-416 Jun 4, 2026
Use After Free in Google Chrome
Use after free in Omnibox in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who convinced a user to engage in specific UI gestures to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: Medium)
CVE-2026-11165
Critical · 9.6
CWE-416 Jun 4, 2026
Google Chrome on iOS: use after free in WebMIDI
Use after free in WebMIDI in Google Chrome on iOS prior to 149.0.7827.53 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Medium)
CVE-2026-11164
High · 8.8
CWE-416 Jun 4, 2026
Use After Free in Google Chrome
Use after free in Blink in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: Medium)
CVE-2026-11163
Critical · 9.6
CWE-416 Jun 4, 2026
Google Chrome for Android Messages use-after-free with possible sandbox escape
Use after free in Messages in Google Chrome on Android prior to 149.0.7827.53 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Medium)
CVE-2026-11154
High · 7.5
CWE-416 Jun 4, 2026
Use After Free in Google Chrome
Use after free in Dawn in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Medium)
CVE-2026-11152
Critical · 9.6
CWE-416 Jun 4, 2026
Google Chrome Dawn use-after-free flaw with possible sandbox escape
Object lifecycle issue in Dawn in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Medium)