CVE-2026-42838Disclosure(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

Improper neutralization of special elements in output used by a downstream component ('injection') in Microsoft Edge (Chromium-based) allows an unauthorized attacker to elevate privileges over a network.

0.0/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-74

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 2 observed days
  • Momentum state: stable

What's happening

  • Technical details provided in 2 signals
  • Disclosure: 3 classified signals
  • Peaked 1d ago at 2 mentions (2026-05-12); latest day: 1
  • 3 total mentions across 2 days

Affected systems

Vendors
Products
edge_chromium

Deep dive

Activity timeline3 mentions / 2d
01122Mentions · 2026-05-12: 2Mentions · 2026-05-13: 1Technical Details · 2026-05-12: 205-1205-13
Signal classification1 categories
Disclosure
3100.0%
Referenced assets3 URLs
Classification over time
DateTotalLabels
2026-05-122
Disclosure2
2026-05-131
Disclosure1
Full discourse3 posts
  • VulDB 🛡@vuldb
    Disclosure

    A severe vulnerability was disclosed for Microsoft Edge (CVE-2026-42838) https://vuldb.com/vuln/363258

    Post summary

    A new severe vulnerability, CVE-2026-42838, affecting Microsoft Edge has been disclosed, linking to a vulnerability database entry.

    0000183
    2.2K followersView on X
  • Infoflowcloud@infoflowcloud
    Disclosure

    🚨*CVE* CVE-2026-42838 Improper neutralization of special elements in output used by a downstream component ('injection') in Microsoft Edge (Chromium-based) allows an unauthorized attacker … https://www.cve.org/CVERecord?id=CVE-2026-42838 ----- Traducción: CVE-2026-42838 Neu… http://infoflow.cloud`

    Post summary

    A concise disclosure of CVE-2026-42838, identifying an injection flaw in Microsoft Edge (Chromium-based) with no evidence of exploitation, PoC, or patch information.

    0000034
    77 followersView on X
  • CVE@CVEnew
    Disclosure

    CVE-2026-42838 Improper neutralization of special elements in output used by a downstream component ('injection') in Microsoft Edge (Chromium-based) allows an unauthorized attacker … https://www.cve.org/CVERecord?id=CVE-2026-42838

    Post summary

    The post references a CVE record detailing an injection vulnerability in Microsoft Edge, giving a concise technical description but no PoC, exploit, or mitigation information.

    00000222
    57.5K followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Appmicrosoftedge_chromium---

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