Security readout for executives and security teams
Plain-English summary
This is a low-severity Microsoft Edge autofill privacy issue. A malicious webpage may cause stored autofill details to populate after two taps, possibly without clear user intent. The expected impact is limited disclosure of personal metadata such as address, email, or phone details, not code execution or system compromise.
Executive priority
Treat as routine browser patch management, not an emergency. Prioritize broad Edge update compliance, especially on shared, executive, or regulated-data endpoints where autofill metadata disclosure matters.
Technical view
CVE-2026-0102 affects Microsoft Edge Chromium-based. The CVSS 3.1 vector is AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N, indicating network reachability, high attack complexity, required user interaction, and low confidentiality impact only. Microsoft lists an official fix.
Likely exposure
Organizations using Microsoft Edge Chromium-based with autofill enabled may have exposure. The provided affected version data is not granular enough to identify exact vulnerable builds beyond the vendor advisory.
Exploitation context
The source bundle does not support active exploitation; KEV is false. Abuse would require user interaction with a malicious webpage under specific conditions, and the reported impact is limited autofill data disclosure.
Researcher notes
Evidence supports a defense-in-depth autofill consent issue with CWE-359 classification. The advisory data shows official remediation but does not provide exploit details here. Avoid assuming broader Chromium impact, data types beyond the description, or active exploitation.
Mitigation direction
- Apply the Microsoft Edge update referenced in the MSRC advisory.
- Confirm managed endpoints receive current Edge Chromium updates.
- Check Microsoft guidance for exact fixed build information.
- Review autofill usage where personal metadata exposure is sensitive.
Validation and detection
- Inventory Microsoft Edge Chromium-based installations across managed endpoints.
- Compare installed Edge versions against Microsoft’s advisory guidance.
- Confirm update policies are not delaying Edge security fixes.
- Assess whether autofill stores sensitive personal metadata on high-risk devices.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-359: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2026-0102 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Low
- CVSS
- 3.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C1.61.4microsoftVulnerability scoring details
Base CVSS 3.1 score
3.1LowVector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- Microsoft Edge (Chromium-based) Defense in Depth VulnerabilityCVE reference, microsoft · vendor-advisory, patch
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Exposure of Private Personal Information to an Unauthorized Actor
Exposure of Private Personal Information to an Unauthorized Actor represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.