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CVE-2026-6921

Race in GPU in Google Chrome on Windows prior to 147.0.7727.117 allowed a remote attacker to...

8.3 High

Race in GPU in Google Chrome on Windows prior to 147.0.7727.117 allowed a remote attacker to potentially perform a sandbox escape via a crafted video file. (Chromium security severity: Medium)

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
High
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

0.19%Up 0.1 points since Apr 24, 2026
90%50%10%1%

What each source reports

CVE List Score used 8.3

Race in GPU in Google Chrome on Windows prior to 147.0.7727.117 allowed a remote attacker to potentially perform a sandbox escape via a crafted video file. (Chromium security severity: Medium)

Record
CVE-2026-6921
CVSS 3.1
8.3 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
Weakness
CWE-362, CWE-362
Updated
2026-11-02
EUVDEUVD-2026-25253 8.3

Race in GPU in Google Chrome on Windows prior to 147.0.7727.117 allowed a remote attacker to potentially perform a sandbox escape via a crafted video file. (Chromium security severity: Medium)

Record
EUVD-2026-25253
CVSS 3.1
8.3 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
Updated
2026-11-02
GitHub AdvisoriesGHSA-vxp2-rhxg-cr83 5.3

Race in GPU in Google Chrome on Windows prior to 147.0.7727.117 allowed a remote attacker to...

Race in GPU in Google Chrome on Windows prior to 147.0.7727.117 allowed a remote attacker to potentially perform a sandbox escape via a crafted video file. (Chromium security severity: Medium)

Record
GHSA-vxp2-rhxg-cr83
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-362
Updated
2026-11-02
NVD 8.3

Race in GPU in Google Chrome on Windows prior to 147.0.7727.117 allowed a remote attacker to potentially perform a sandbox escape via a crafted video file. (Chromium security severity: Medium)

Record
CVE-2026-6921
CVSS 3.1
8.3 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
Weakness
CWE-362
Updated
2026-11-02
OSVDEBIAN-CVE-2026-6921 8.3

Race in GPU in Google Chrome on Windows prior to 147.0.7727.117 allowed a remote attacker to potentially perform a sandbox escape via a crafted video file. (Chromium security severity: Medium)

Record
DEBIAN-CVE-2026-6921
CVSS 3.1
8.3 HighCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
Updated
2026-11-02
OSVopenSUSE-SU-2026:10627-1 No score

chromedriver-148.0.7778.56-1.1 on GA media

These are all security issues fixed in the chromedriver-148.0.7778.56-1.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2026:10627-1
Updated
2026-11-02
OSVopenSUSE-SU-2026:20660-1 No score

Security update for chromium

This update for chromium fixes the following issues:

Changes in chromium:

  • Chromium 147.0.7727.137 (boo#1263158)

    • CVE-2026-7363: Use after free in Canvas
    • CVE-2026-7361: Use after free in iOS
    • CVE-2026-7344: Use after free in Accessibility
    • CVE-2026-7343: Use after free in Views
    • CVE-2026-7333: Use after free in GPU
    • CVE-2026-7360: Insufficient validation of untrusted input in Compositing
    • CVE-2026-7359: Use after free in ANGLE
    • CVE-2026-7358: Use after free in Animation
    • CVE-2026-7334: Use after free in Views
    • CVE-2026-7357: Use after free in GPU
    • CVE-2026-7356: Use after free in Navigation
    • CVE-2026-7354: Out of bounds read and write in Angle
    • CVE-2026-7353: Heap buffer overflow in Skia
    • CVE-2026-7352: Use after free in Media
    • CVE-2026-7351: Race in MHTML
    • CVE-2026-7350: Use after free in WebMIDI
    • CVE-2026-7349: Use after free in Cast
    • CVE-2026-7348: Use after free in Codecs
    • CVE-2026-7335: Use after free in media
    • CVE-2026-7336: Use after free in WebRTC
    • CVE-2026-7337: Type Confusion in V8
    • CVE-2026-7347: Use after free in Chromoting
    • CVE-2026-7346: Inappropriate implementation in Tint
    • CVE-2026-7345: Insufficient validation of untrusted input in Feedback
    • CVE-2026-7338: Use after free in Cast
    • CVE-2026-7342: Use after free in WebView
    • CVE-2026-7341: Use after free in WebRTC
    • CVE-2026-7339: Heap buffer overflow in WebRTC
    • CVE-2026-7340: Integer overflow in ANGLE
    • CVE-2026-7355: Use after free in Media

  • Chromium 147.0.7727.116 (boo#1262586)

  • Chromium 147.0.7727.101 (boo#1262174)

    • CVE-2026-6296: Heap buffer overflow in ANGLE
    • CVE-2026-6297: Use after free in Proxy
    • CVE-2026-6298: Heap buffer overflow in Skia
    • CVE-2026-6299: Use after free in Prerender
    • CVE-2026-6358: Use after free in XR
    • CVE-2026-6359: Use after free in Video
    • CVE-2026-6300: Use after free in CSS
    • CVE-2026-6301: Type Confusion in Turbofan
    • CVE-2026-6302: Use after free in Video
    • CVE-2026-6303: Use after free in Codecs
    • CVE-2026-6304: Use after free in Graphite
    • CVE-2026-6305: Heap buffer overflow in PDFium
    • CVE-2026-6306: Heap buffer overflow in PDFium
    • CVE-2026-6307: Type Confusion in Turbofan
    • CVE-2026-6308: Out of bounds read in Media
    • CVE-2026-6309: Use after free in Viz
    • CVE-2026-6360: Use after free in FileSystem
    • CVE-2026-6310: Use after free in Dawn
    • CVE-2026-6311: Uninitialized Use in Accessibility
    • CVE-2026-6312: Insufficient policy enforcement in Passwords
    • CVE-2026-6313: Insufficient policy enforcement in CORS
    • CVE-2026-6314: Out of bounds write in GPU
    • CVE-2026-6315: Use after free in Permissions
    • CVE-2026-6316: Use after free in Forms
    • CVE-2026-6361: Heap buffer overflow in PDFium
    • CVE-2026-6362: Use after free in Codecs
    • CVE-2026-6317: Use after free in Cast
    • CVE-2026-6363: Type Confusion in V8
    • CVE-2026-6318: Use after free in Codecs
    • CVE-2026-6319: Use after free in Payments
    • CVE-2026-6364: Out of bounds read in Skia

  • Chromium 147.0.7727.55 (boo#1261758):

    • CVE-2026-5858: Heap buffer overflow in WebML
    • CVE-2026-5859: Integer overflow in WebML
    • CVE-2026-5860: Use after free in WebRTC
    • CVE-2026-5861: Use after free in V8
    • CVE-2026-5862: Inappropriate implementation in V8
    • CVE-2026-5863: Inappropriate implementation in V8
    • CVE-2026-5864: Heap buffer overflow in WebAudio
    • CVE-2026-5865: Type Confusion in V8
    • CVE-2026-5866: Use after free in Media
    • CVE-2026-5867: Heap buffer overflow in WebML
    • CVE-2026-5868: Heap buffer overflow in ANGLE
    • CVE-2026-5869: Heap buffer overflow in WebML
    • CVE-2026-5870: Integer overflow in Skia
    • CVE-2026-5871: Type Confusion in V8
    • CVE-2026-5872: Use after free in Blink
    • CVE-2026-5873: Out of bounds read and write in V8
    • CVE-2026-5874: Use after free in PrivateAI
    • CVE-2026-5875: Policy bypass in Blink
    • CVE-2026-5876: Side-channel information leakage in Navigation *…
Record
openSUSE-SU-2026:20660-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
chromium
openSUSE:Tumbleweed
From an advisory covering 3 CVEs
 before 148.0.7778.56-1.1
148.0.7778.56-1.1
chromium
openSUSE:Leap 16.0
From an advisory covering 124 CVEs
 before 147.0.7727.137-bp160.1.1
147.0.7727.137-bp160.1.1

History

History
RecordedChangedSources
affected, facts
affected
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-6921 is a high vulnerability (CVSS 8.3) in Google Chrome, published April 23, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.19%, the 8th percentile. No source names a fixed version.

References

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