VulnSocial

CVE-2026-66312Disclosure(microsoft / edge_chromium)

LOWCVSS 8.8 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Patch microsoft edge_chromium systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

Buffer over-read in Microsoft Edge (Chromium-based) allows an authorized attacker to execute code over a network.

microsoft CVEsBack to dashboard
0.5/ 10 priority

Sources & remediation

Vendor / third-party advisories
Weakness type (CWE)
CWE-126

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.

  • edge_chromium

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 1 signal
  • Disclosure: 1 classified signal
  • Peaked 1d ago at 1 mentions (2026-08-04); latest day: 1
  • 2 total mentions across 2 days

Affected systems

Vendors
microsoft
Products
edge_chromium

Deep dive

Activity timeline2 mentions / 2d
00111Mentions · 2026-08-04: 1Mentions · 2026-08-06: 1Patch / Workaround · 2026-08-06: 1Technical Details · 2026-08-04: 108-0408-06
Signal classification2 categories
Disclosure
150.0%
Patch
150.0%
Referenced assets3 URLs
Classification over time
DateTotalLabels
2026-08-041
Disclosure1
2026-08-061
Patch1
Full discourse2 posts
  • kawn@kawn2020
    Patch

    #microsoftupdate #securityupdate #Edge マイクロソフトが Microsoft Edge for Stable (Version 151.0.4129.59) をリリース. CVE ベースで 15 件の脆弱性に対処. ・CVE-2026-65802 ・CVE-2026-65804 ・CVE-2026-66310 ・CVE-2026-66311 ・CVE-2026-66312 ・CVE-2026-66313 https://x.com/kawn2020/status/2085240641056043305

    Post summary

    Microsoft released Edge stable version 151.0.4129.59, which patches 15 CVEs.

    1000084
    92 followersView on X
  • Vulmon Vulnerability Feed@VulmonFeeds
    Disclosure

    CVE-2026-66312 Buffer Over-Read in Microsoft Edge Chromium Allows Remote Code Execution https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-66312 Vulnerability Notification: https://alerts.vulmon.com/?utm_source=twitter&utm_medium=social&utm_campaign=2102281&utm_content=3

    Post summary

    CVE-2026-66312 is a buffer over-read vulnerability in Microsoft Edge Chromium that could lead to remote code execution; the post provides the high‑level impact but no PoC, exploit code, or patch details.

    00000101
    4.1K followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Appmicrosoftedge_chromium---

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