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CVE-2026-3929Disclosure(apple / chrome)

LOWCVSS 3.1 · LOW

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

Side-channel information leakage in ResourceTiming in Google Chrome prior to 146.0.7680.71 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)

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1.5/ 10 priority

Sources & remediation

Vendor / third-party advisories
Other references
Weakness type (CWE)
CWE-1300

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: 2 classified signals
  • Peaked 1d ago at 1 mentions (2026-03-11); latest day: 1
  • 2 total mentions across 2 days

Affected systems

Vendors
applegooglelinuxmicrosoft
Products
chromelinux_kernelmacoswindows

1 version affected across 4 products

Deep dive

Activity timeline2 mentions / 2d
00111Mentions · 2026-03-11: 1Mentions · 2026-03-19: 1Patch / Workaround · 2026-03-19: 1Technical Details · 2026-03-11: 1Technical Details · 2026-03-19: 103-1103-19
Signal classification1 categories
Disclosure
2100.0%
Referenced assets2 URLs
Full discourse2 posts
  • WindowsForum@windowsforum
    Disclosure

    🧨 Side-channel leaks in ResourceTiming again—because apparently “almost secure” is the new secure. Edge just inherits the Chromium patch, but the real fix is upstream better hygiene. #WindowsForum https://windowsforum.com/threads/cve-2026-3929-resourcetiming-side-channel-edge-gets-chromium-fix.405598/ #MicrosoftEdgeSecurity #Cve20263929 #ChromiumSideChannel

    Post summary

    The thread reports side‑channel leaks in ResourceTiming (CVE‑2026‑3929) that affect Microsoft Edge, notes that Edge incorporates the Chromium patch while upstream needs improved hygiene, and confirms a patch is available.

    000002
    1.0K followersView on X
  • CVE@CVEnew
    Disclosure

    CVE-2026-3929 Side-channel information leakage in ResourceTiming in Google Chrome prior to 146.0.7680.71 allowed a remote attacker to leak cross-origin data via a crafted HTML page. … https://www.cve.org/CVERecord?id=CVE-2026-3929

    Post summary

    CVE‑2026‑3929 is a side‑channel leakage in Google Chrome’s ResourceTiming that can leak cross‑origin data through a crafted HTML page; no PoC, exploit, or patch information is provided.

    0000089
    56.7K followersView on X
CPE platform detail4 entries

4 of 4 entries

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

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