CVE-2026-66315General(microsoft / edge_chromium)

LOWCVSS 7.5 · HIGH

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

Use after free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.

0.0/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-416

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

  • 3 mentions across 3 observed days
  • Momentum state: stable

What's happening

  • General: 3 classified signals
  • Peaked 2d ago at 1 mentions (2026-08-03); latest day: 1
  • 3 total mentions across 3 days

Affected systems

Vendors
Products
edge_chromium

Deep dive

Activity timeline3 mentions / 3d
00111Mentions · 2026-08-03: 1Mentions · 2026-08-04: 1Mentions · 2026-08-06: 108-0308-0408-06
Signal classification1 categories
General
3100.0%
Referenced assets3 URLs
Full discourse3 posts
  • VulDB 🛡@vuldb
    General

    A new vulnerability with increased severity was disclosed for Microsoft Edge (CVE-2026-66315) https://vuldb.com/vuln/385722

    Post summary

    The post announces the disclosure of CVE‑2026‑66315 for Microsoft Edge, noting its increased severity, but provides no further technical, exploit, or mitigation details.

    02020223
    2.3K followersView on X
  • 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 post lists several CVE identifiers tied to an Edge update but gives no further technical context or actionable information.

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

    CVE-2026-66315 Use-After-Free Remote Code Execution in Microsoft Edge Ch... https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-66315 Don't wait vulnerability scanning results: https://alerts.vulmon.com/?utm_source=twitter&utm_medium=social&utm_campaign=2102281&utm_content=2

    Post summary

    The tweet links to a vulnerability page for CVE-2026-66315 but offers no actionable details, PoC, patch info, or evidence of exploitation.

    00000112
    4.1K followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Appmicrosoftedge_chromium---

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