VulnSocial

CVE-2026-66316Disclosure(microsoft / edge_chromium)

LOWCVSS 5.4 · MEDIUM

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

Origin validation error in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.

microsoft CVEsBack to dashboard
0.0/ 10 priority

Sources & remediation

Vendor / third-party advisories
Weakness type (CWE)
CWE-346

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

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

  • 2 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • Technical details provided in 1 signal
  • Disclosure: 1 classified signal
  • General: 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: 1Technical Details · 2026-08-04: 108-0408-06
Signal classification2 categories
Disclosure
150.0%
General
150.0%
Referenced assets1 URL
By indicator
Classification over time
DateTotalLabels
2026-08-041
Disclosure1
2026-08-061
General1
Full discourse2 posts
  • kawn@kawn2020
    General

    #microsoftupdate #securityupdate #Edge Microsoft Edge for Stable (Version 151.0.4129.59) つづき ・CVE-2026-66314 ・CVE-2026-66315 ・CVE-2026-66316 ・CVE-2026-66317 ・CVE-2026-66318 ・CVE-2026-66321 ・CVE-2026-66322 ・CVE-2026-66325 ・CVE-2026-66326

    Post summary

    The tweet simply enumerates a series of CVE identifiers for Microsoft Edge without providing further technical or exploit details.

    0000056
    92 followersView on X
  • Vulmon Vulnerability Feed@VulmonFeeds
    Disclosure

    CVE-2026-66316 Origin Validation Error in Microsoft Edge Enables Network-Based Spoofing Attack https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-66316

    Post summary

    The text briefly announces CVE-2026-66316, naming a Microsoft Edge origin validation flaw that allows network-based spoofing, but it lacks details on exploitation, patches, or active attacks.

    0000097
    4.1K followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Appmicrosoftedge_chromium---

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