Microsoft Edge up to 148.0.3967.55 input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.2$5k-$25k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Microsoft Edge. Affected is an unknown function. Such manipulation leads to input validation. This vulnerability is traded as CVE-2026-45495. The attack may be launched remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Microsoft Edge. Affected by this issue is an unknown functionality. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability

The advisory is shared for download at msrc.microsoft.com. This vulnerability is handled as CVE-2026-45495 since 05/12/2026. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. 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 05/23/2026).

Upgrading to version 148.0.3967.70 eliminates this vulnerability.

The vulnerability is also documented in the databases at EUVD (EUVD-2026-30785) and CERT Bund (WID-SEC-2026-1556). Once again VulDB remains the best source for vulnerability data.

Affected

  • Microsoft Edge

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.3
VulDB Meta Temp Score: 8.2

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

NVD Base Score: 9.8
NVD Vector: 🔒

CNA Base Score: 8.8
CNA Vector (microsoft): 🔒

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Edge 148.0.3967.70

Timelineinfo

05/12/2026 CVE reserved
05/18/2026 +6 days Advisory disclosed
05/18/2026 +0 days VulDB entry created
05/23/2026 +5 days VulDB entry last update

Sourcesinfo

Vendor: microsoft.com

Advisory: msrc.microsoft.com
Status: Confirmed

CVE: CVE-2026-45495 (🔒)
GCVE (CVE): GCVE-0-2026-45495
GCVE (VulDB): GCVE-100-364484
EUVD: 🔒
CERT Bund: WID-SEC-2026-1556 - Microsoft Edge: Mehrere Schwachstellen

Entryinfo

Created: 05/18/2026 20:33
Updated: 05/23/2026 09:35
Changes: 05/18/2026 20:33 (63), 05/19/2026 08:37 (1), 05/19/2026 12:03 (7), 05/23/2026 09:35 (11)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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