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CVE-2026-78977

Uninitialized resource in GPU in Google Chrome on on Android prior to 152.0.7977.65 allowed a…

Risk score
50/100
CVSS
6.5 v3.1
Exploit chance (30 days)
0.3%
Published
25 Aug 2026

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What to know

What it is
Uninitialized resource in GPU in Google Chrome on on Android prior to 152.0.7977.65 allowed a remote attacker to potentially read memory inside the sandbox via a crafted HTML page. (Chromium security severity: Low)
Affected
Chrome before 152.0.7977.65
Fix
Upgrade Chrome to 152.0.7977.65 or later.
Exploitation
No known exploitation

Story map

Story map: the flaws, the fix, how it unfolded and what it connects to. Boxes link to the record or article.

At a glance

Chrome: Amber, patch this week. Use after free in PDF in Google Chrome prior to 155.0.8059.79 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Critical)

The flaws

  • CVE-2026-78977: Uninitialized resource in GPU in Google Chrome on on Android prior to 152.0.7977.65 allowed a… (CVSS 6.5 · EPSS 0%)
  • CVE-2026-110136: Use-after-free can lead to remote code execution (CVSS 9.6 · EPSS 0%)
  • CVE-2026-106329: Incorrect authorisation can lead to remote code execution (CVSS 9.6 · EPSS 0%)
  • CVE-2026-106417: Integer overflow can lead to remote code execution (CVSS 9.6 · EPSS 0%)

The fix

Upgrade Chrome: 152.0.7977.65 · 155.0.8059.79 · 155.0.8059.39 or later on your release line

Who is exposed: Chrome before 155.0.8059.79

Where it stands

  • No known exploitation

How it unfolded

  1. 16 Oct, Microsoft Security Response Center (official): Chromium CVE-2026-110136: Use after free
  2. 16 Oct, Microsoft Security Response Center (official): Chromium CVE-2026-106329: Incorrect authorization
  3. 16 Oct, Microsoft Security Response Center (official): Chromium CVE-2026-106417: Integer overflow
  4. 28 Oct, Microsoft Security Response Center (official): Chromium: CVE-2026-78977 Uninitialized resource in GPU

Connects to

Why it is Yellow

  • CVSS 6.5 medium
  • Named in a government or vendor bulletin

Government and vendor bulletins

References

Original description

Uninitialized resource in GPU in Google Chrome on on Android prior to 152.0.7977.65 allowed a remote attacker to potentially read memory inside the sandbox via a crafted HTML page. (Chromium security severity: Low)

Last activity 28 Oct 2026. Patch Forecast updates every hour.