CVE-2026-88097Disclosure(microsoft / edge_chromium)

LOWCVSS 7.8 · 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 elevate privileges locally.

microsoft CVEs Back to dashboard

0.5/ 10 priority

Sources & remediation

Vendor / third-party advisories

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-88097

Weakness type (CWE)

CWE-416

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

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

Patch or workaround signal is available
5 mentions across 5 observed days
Momentum state: stable

What's happening

Patch or workaround mentioned in 2 signals
Technical details provided in 4 signals
Disclosure: 3 classified signals
Peaked 4d ago at 1 mentions (2026-09-18); latest day: 1
5 total mentions across 5 days

Affected systems

Vendors

microsoft

Products

edge_chromium

Deep dive

Activity timeline5 mentions / 5d

Signal classification2 categories

Disclosure

360.0%

Patch

240.0%

Referenced assets4 URLs

By indicator

Classification over time

Date	Total	Labels

2026-09-18	1	Disclosure1
2026-09-19	1	Disclosure1
2026-09-24	1	Disclosure1
2026-09-25	1	Patch1
2026-09-26	1	Patch1

Full discourse5 posts

VulDB 🛡@vuldb46d
Disclosure
A new vulnerability with increased severity was disclosed for Microsoft Edge (CVE-2026-88097) https://vuldb.com/vuln/407832
Post summary
The tweet announces a newly disclosed vulnerability in Microsoft Edge (CVE-2026-88097) with increased severity, linking to a vulnerability database, but provides no details on PoC, exploitation, or remediation.
01021242
2.3K followersView on X
CVE@CVEnew46d
Disclosure
CVE-2026-88097 Use after free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to elevate privileges locally. https://www.cve.org/CVERecord?id=CVE-2026-88097
Post summary
The tweet discloses CVE-2026-88097 as a use‑after‑free flaw in Microsoft Edge (Chromium) that could enable local privilege escalation, without mentioning PoC, exploits, patches, or active exploitation.
001202.4K
58.1K followersView on X
ケイ | IT・セキュリティ系副業Webライター@Teeeda_worker38d
Patch
【重要】Microsoft EdgeにCVSS 8.1、153.0.4234.48へ更新を https://www.cybernote.click/2026/09/21/microsoft-edge-cve-2026-88097-privilege-escalation-update/ #IT #Security #cybersecurity
Post summary
The tweet advises updating Microsoft Edge to version 153.0.4234.48 to fix CVE-2026-88097, a privilege escalation vulnerability with CVSS score 8.1.
0000048
209 followersView on X
ケイ | IT・セキュリティ系副業Webライター@Teeeda_worker39d
Patch
【重要】Microsoft EdgeにCVSS 8.1、153.0.4234.48へ更新を https://www.cybernote.click/2026/09/21/microsoft-edge-cve-2026-88097-privilege-escalation-update/ #IT #Security #cybersecurity
Post summary
The post highlights a Microsoft Edge vulnerability with CVSS 8.1 and explicitly recommends updating to version 153.0.4234.48, making the primary focus patch guidance.
0000050
208 followersView on X
Hugo | DevOps | Cybersecurity 🇱🇻@HugoValters40d
Disclosure
CVE-2026-88097: Use-after-free in Microsoft Edge lets a local attacker elevate privileges. CVSS 8.1, patch still under review. Limit exposure and watch for updates. https://www.valtersit.com/cve/CVE-2026-88097 #Microsoft #infosec #CVE #Microsoft #CVEALERT #CVE #infosec #Linux #XSS #valtersit #snippet #SysAdmin #cybersecurity #devsecops #devops #developer #100daysofcode #git #github #gitlab #redteam #blueteam #ethicalhacker #cybersecurityawareness #cybersecuritynews #cybersecuritytips #python #hacker #kali #ubuntu #debian #docker
Post summary
The tweet discloses CVE‑2026‑88097, a use-after-free flaw in Microsoft Edge that enables local privilege escalation, rating 8.1 on CVSS. It notes that a patch is still under review and advises users to limit exposure and monitor for updates.
0000043
1.1K 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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What researchers are saying

CVE-2026-88097

Hugo | DevOps | Cybersecurity 🇱🇻[verified]@HugoValtersDisclosure

The tweet discloses CVE‑2026‑88097, a use-after-free flaw in Microsoft Edge that enables local privilege escalation, rating 8.1 on CVSS. It notes that a patch is still under review and advises users to limit exposure and monitor for updates.

VulDB 🛡@vuldbDisclosure

The tweet announces a newly disclosed vulnerability in Microsoft Edge (CVE-2026-88097) with increased severity, linking to a vulnerability database, but provides no details on PoC, exploitation, or remediation.

CVE@CVEnewDisclosure

The tweet discloses CVE-2026-88097 as a use‑after‑free flaw in Microsoft Edge (Chromium) that could enable local privilege escalation, without mentioning PoC, exploits, patches, or active exploitation.

ケイ | IT・セキュリティ系副業Webライター@Teeeda_workerPatch

The tweet advises updating Microsoft Edge to version 153.0.4234.48 to fix CVE-2026-88097, a privilege escalation vulnerability with CVSS score 8.1.

ケイ | IT・セキュリティ系副業Webライター@Teeeda_workerPatch

The post highlights a Microsoft Edge vulnerability with CVSS 8.1 and explicitly recommends updating to version 153.0.4234.48, making the primary focus patch guidance.