VDB-244388 · CVE-2023-36034 · GCVE-0-2023-36034

Microsoft Edge prior 118.0.2088.88/119.0.2151.44 use after free

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.9	$5k-$25k	0.00

Summaryinfo

A vulnerability was found in Microsoft Edge and classified as critical. Affected by this issue is some unknown functionality. Such manipulation leads to an unknown weakness. This vulnerability is listed as CVE-2023-36034. The attack may be performed from remote. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Microsoft Edge (Web Browser). Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability

The weakness was presented 11/03/2023. The advisory is shared for download at msrc.microsoft.com. This vulnerability is handled as CVE-2023-36034 since 06/20/2023. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 01/01/2025).

Upgrading to version 118.0.2088.88 or 119.0.2151.44 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Web Browser

Vendor

Microsoft

Name

Edge

License

commercial

Website

Vendor: https://www.microsoft.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.3
NVD Vector: 🔍

CNA Base Score: 7.3
CNA Vector (Microsoft Corporation): 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Edge 118.0.2088.88/119.0.2151.44

Timelineinfo

06/20/2023 🔍
11/03/2023 +136 days 🔍
11/03/2023 +0 days 🔍
04/21/2025 +535 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: msrc.microsoft.com
Status: Confirmed

CVE: CVE-2023-36034 (🔍)
GCVE (CVE): GCVE-0-2023-36034
GCVE (VulDB): GCVE-100-244388

Entryinfo

Created: 11/03/2023 07:07
Updated: 04/21/2025 06:13
Changes: 11/03/2023 07:07 (46), 01/01/2025 04:24 (31), 04/21/2025 06:13 (3)
Complete: 🔍
Cache ID: 216::103