CVE-2026-7991Disclosure(apple / chrome)

LOWCVSS 8.8 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Patch apple chrome systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

Use after free in UI in Google Chrome prior to 148.0.7778.96 allowed a remote attacker who had compromised the renderer process to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: Medium)

1.5/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-416

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

STABLE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • chrome
  • linux_kernel
  • macos
  • windows

Threat summary

  • Patch or workaround signal is available
  • 2 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • Patch or workaround mentioned in 1 signal
  • Technical details provided in 2 signals
  • Disclosure: 1 classified signal
  • Peaked 1d ago at 1 mentions (2026-05-06); latest day: 1
  • 2 total mentions across 2 days

Affected systems

Products
chromelinux_kernelmacoswindows

1 version affected across 4 products

Deep dive

Activity timeline2 mentions / 2d
00111Mentions · 2026-05-06: 1Mentions · 2026-05-07: 1Patch / Workaround · 2026-05-07: 1Technical Details · 2026-05-06: 1Technical Details · 2026-05-07: 105-0605-07
Signal classification2 categories
Disclosure
150.0%
Patch
150.0%
Referenced assets2 URLs
Classification over time
DateTotalLabels
2026-05-061
Disclosure1
2026-05-071
Patch1
Full discourse2 posts
  • WindowsForum@windowsforum
    Patch

    🪟 CVE-2026-7991 in Chrome UI use-after-free: “Medium” label, “8.8” vibes. If your renderer is compromised, sandbox escape is the boss fight. Patch Windows boxes. #Windows #Security https://windowsforum.com/threads/cve-2026-7991-chrome-ui-use-after-free-why-windows-admins-must-patch-to-148.416936/?utm_source=x&utm_medium=social&utm_campaign=news_node84 #WindowsPatchManagement #ChromiumUpdates #GoogleChromeSecurity #Cve20267991

    Post summary

    The post highlights CVE‑2026‑7991—a Chrome UI use‑after‑free that can lead to sandbox escape—and urges Windows administrators to apply the necessary patch.

    0000053
    1.1K followersView on X
  • CVE@CVEnew
    Disclosure

    CVE-2026-7991 Use after free in UI in Google Chrome prior to 148.0.7778.96 allowed a remote attacker who had compromised the renderer process to execute arbitrary code inside a sandb… https://www.cve.org/CVERecord?id=CVE-2026-7991

    Post summary

    The text reports a new use‑after‑free vulnerability in Google Chrome (CVE‑2026‑7991) that allows remote code execution via a compromised renderer process.

    00000120
    57.4K followersView on X
CPE platform detail4 entries

4 of 4 entries

PartVendorProductVersionTarget SWTarget HW
OSapplemacos---
Appgooglechrome---
OSlinuxlinux_kernel---
OSmicrosoftwindows---

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