CVE-2026-85893Disclosure(microsoft / edge_chromium)

LOWCVSS 8.8 · HIGH

Signal is active with 2 mentions in latest observed window

Immediate actions

  • Patch microsoft edge_chromium systems immediately

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.

0.5/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-416

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

NONE

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 1 observed day

What's happening

  • Patch or workaround mentioned in 1 signal
  • Technical details provided in 2 signals
  • Disclosure: 1 classified signal
  • 2 total mentions across 1 day

Affected systems

Vendors
Products
edge_chromium

Deep dive

Activity timeline2 mentions / 1d
01122Mentions · 2026-09-16: 2Patch / Workaround · 2026-09-16: 1Technical Details · 2026-09-16: 209-16
Signal classification2 categories
Disclosure
150.0%
Patch
150.0%
Referenced assets1 URL
Full discourse2 posts
  • Xavier Rivera@XavierRiveraX
    Patch

    Microsoft Edge CVE-2026-85893 is a CVSS 8.8 use-after-free: Low to Medium Integrity after a malicious page and two taps, builds before 153.0.4234.32. Exploitation unlikely, still patch the fleet. https://thecircuitry.to/article/microsoft-edge-use-after-free-flaw-cve-2026-85893-rated-high-severity-mu4ocx0g

    Post summary

    The tweet announces CVE-2026-85893 (CVSS 8.8 use-after-free in Microsoft Edge), notes exploitation is unlikely, and explicitly urges patching the fleet to build 153.0.4234.32 or later.

    0000063
    601 followersView on X
  • The Circuitry@thecircuitry_
    Disclosure

    CVE-2026-85893 in Edge carries CVSS 8.8. Use-after-free lets attacker elevate from Low to Medium Integrity Level in sandbox. • Requires visit to malicious page • Plus two tap gestures to trigger autofill Exploitation assessed as unlikely. https://thecircuitry.to/article/microsoft-edge-use-after-free-flaw-cve-2026-85893-rated-high-severity-mu4ocx0g https://t.co/q171L0NdcP

    Post summary

    The text announces CVE-2026-85893 in Microsoft Edge as a high-severity use-after-free (CVSS 8.8) allowing sandbox escape, with exploitation deemed unlikely, and provides technical details but no PoC, exploit tool, patch, or active exploitation evidence.

    0000085
    37 followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Appmicrosoftedge_chromium---

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