CVE-2026-57986Disclosure(microsoft / edge_chromium)

LOWCVSS 7.5 · 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

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

microsoft CVEs Back to dashboard

0.5/ 10 priority

Sources & remediation

Vendor / third-party advisories

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-57986

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
1 mentions across 1 observed day

What's happening

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

Affected systems

Vendors

microsoft

Products

edge_chromium

Deep dive

Activity timeline1 mentions / 1d

Signal classification1 categories

Disclosure

1100.0%

Referenced assets1 URL

By indicator

https://www.valtersit.com/cve/CVE-2026-57986/

Full discourse1 post

Hugo | DevOps | Cybersecurity 🇱🇻@HugoValters93d
Disclosure
#CVE-2026-57986 - Use After Free in #Microsoft Edge. Unauthorized network RCE. #CVSS 7.5. No patch available. Monitor closely. #CVEAlert #MicrosoftEdge #infosec #devsecops #devops #sysadmin More info: https://www.valtersit.com/cve/CVE-2026-57986/
Post summary
The post announces CVE-2026-57986, a Use After Free flaw in Microsoft Edge that allows unauthorized network remote code execution, scores CVSS 7.5, and notes that no patch is currently available.
0000071
972 followersView on X

CPE platform detail1 entries

Part:

Vendor:

Product:

Version:

Target SW:

Target HW:

1 of 1 entries

Part	Vendor	Product	Version	Target SW	Target HW
App	microsoft	edge_chromium	-	-	-

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