CVE-2026-7990

Description

Insufficient validation of untrusted input in Updater in Google Chrome on Windows prior to 148.0.7778.96 allowed a local attacker to perform OS-level privilege escalation via a malicious file. (Chromium security severity: Medium)

Overview

State: PUBLISHED
Assigner (CNA): Chrome
CVSS severity: high
CVSS score: 7.8 / 10
CVSS vector: AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Effective score: 7.8 / 10 HIGH source: CNA overview
CWE(s): CWE-20
Reserved: 2026-05-06
Published: 2026-05-06 20:13 UTC
Last updated: 2026-05-07 05:56 UTC
Source: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/7xxx/CVE-2026-7990.json
Linked Threat: CVE-2026-7990 — CVE-2026-7990

NVD triage scoring NVD CVE 2.0

Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.

NVD published: 2026-05-06 19:16:49 UTC
NVD last modified: 2026-05-06 23:20:16 UTC
NVD CVSS v3.1: 7.8 / 10 HIGH source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
NVD CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Exploitability subscore: 1.8 / 10
Impact subscore: 5.9 / 10
EPSS score: 0.0001 (probability of exploitation in next 30 days)
EPSS percentile: 1.24% vs all CVEs — higher = more likely to be exploited, as of 2026-05-24

European Union Vulnerability Database ENISA EUVD

ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.

EUVD ID: EUVD-2026-28083
Assigner: Chrome
Published: May 6, 2026, 6:13:04 PM
Updated: May 7, 2026, 3:56:59 AM
EUVD base score (CVSS 3.1): 7.8 / 10
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EUVD-reported EPSS: 0.0100
Vendors: Google
Products: Chrome (148.0.7778.96 <148.0.7778.96)

ENISA description: Insufficient validation of untrusted input in Updater in Google Chrome on Windows prior to 148.0.7778.96 allowed a local attacker to perform OS-level privilege escalation via a malicious file. (Chromium security severity: Medium)

EUVD references (2)

Microsoft Security Response Center MSRC

Microsoft's vendor-authoritative record from the Security Update Guide — its own CVSS score, impact, severity rating, exploit assessment, and KB-article fixes. Refreshed 2026-08-11 02:04 UTC (source: CVRF).

Release: 2026-May

Microsoft remediations / KB articles (2)

Release Notes — Vendor Fix / Security Update (fixed build 148.0.3967.54)
https://docs.microsoft.com/en-us/DeployEdge/microsoft-edge-relnotes-security — None Available / Release Notes

Microsoft FAQ (2)

Why is this Chrome CVE included in the Security Update Guide?

The vulnerability assigned to this CVE is in Chromium Open Source Software (OSS) which is consumed by Microsoft Edge (Chromium-based). It is being documented in the Security Update Guide to announce that the latest version of Microsoft Edge (Chromium-based) is no longer vulnerable.

How can I see the version of the browser?

In your Microsoft Edge browser, click on the 3 dots (...) on the very right-hand side of the window
Click on Help and Feedback
Click on About Microsoft Edge

What is the version information for this release?

Microsoft Edge Version	Date Released	Based on Chromium Version
148.0.3967.54	05/07/2026	148.0.7778.97

Affected products (1)

Vendor	Product	Versions	Platforms
Google	Chrome	`148.0.7778.96` (affected)	—

Affected products — CPE 2.3 (2) NVD

NVD's normalized CPE 2.3 matchers, used by vendor tools (vulnerability scanners, asset managers) for automated detection. Compare with the CNA's free-text "Affected products" section above.

cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*

Vendor references (2)

References embedded in the original CVE record by the assigning CNA.

MITRE references (2) cveawg.mitre.org

Pulled from MITRE's CVE Services API by the 🛰 Backfill from MITRE button.

Web references (8)

DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.

None Available msrc
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-7990 rapid7:msrc.microsoft.com
https://attackerkb.com/topics/CVE-2026-7990 rapid7:attackerkb.com
http://cwe.mitre.org/data/definitions/20.html rapid7:cwe.mitre.org
https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-28083 rapid7:euvd.enisa.europa.eu
https://www.first.org/epss/ tenable:www.first.org
https://nvd.nist.gov/vuln/detail/CVE-2026-7990 tenable:nvd.nist.gov
https://www.cve.org/CVERecord?id=CVE-2026-7990 tenable:www.cve.org

NVD-tagged references (2)

Reference list NVD curates from the CNA record, vendor advisories, and third-party reports. The tag chips below are NVD's analyst-assigned categories.

https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop.html chrome-cve-admin@google.com Vendor Advisory
https://issues.chromium.org/issues/498892267 chrome-cve-admin@google.com Issue TrackingPermissions Required

Remediations (15)

Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.

Microsoft September 2025 Patch Tuesday - 81 Vulnerabilities ... - GBHackers

web:gbhackers.com

Microsoft has released its September 2025 Patch Tuesday update, addressing a total of 81 security vulnerabilities across its product portfolio.

2026-05-23 21:09 UTC
‎Google Gemini

web:gemini.google.com

Meet Gemini, Google's AI assistant. Get help with writing, planning, brainstorming, and more. Experience the power of generative AI.

2026-05-23 21:09 UTC
NVD - Home

web:nvd.nist.gov

The NVD is the U.S. government repository of standards based vulnerability management data represented using the Security Content Automation Protocol (SCAP). This data enables automation of vulnerability management, security measurement, and compliance. The NVD includes databases of security checklist references, security-related software flaws, product names, and impact metrics. For ...

2026-05-23 21:09 UTC
Security Update Guide - Microsoft

web:portal.msrc.microsoft.com

The Security Update Guide provides information on the latest Microsoft security updates, helping users understand and address potential vulnerabilities effectively.

2026-05-23 21:09 UTC
Android Security Bulletin—November 2025 - Android Open Source Project

web:source.android.com

Android partners are encouraged to fix all issues in this bulletin and use the latest security patch level. Devices that use the 2025-11-01 security patch level must include all issues associated with that security patch level, as well as fixes for all issues reported in previous security bulletins.

2026-05-23 21:09 UTC
Landing Page | ServiceNow Common Vulnerabilities & Exposures (CVE ...

web:support.servicenow.com

Overview The advisories below document publicly disclosed Common Vulnerabilities and Exposures ( CVEs ) in the Now Platform by ServiceNow. Because ServiceNow uses various methods to communicate vulnerability information, patches, and other fixes, customers should review family, security patch , and hotfix release notes, which are available at https://docs.servicenow.com, for a complete list of ...

2026-05-23 21:09 UTC
2 New Microsoft Defender Zero-Days Exploited—Patch Now ... - Forbes

web:www.forbes.com

Microsoft has confirmed an emergency security update as CISA warns that two new Defender zero-days are being exploited by attackers.

2026-05-23 21:09 UTC
Microsoft KB Catalog: Updates, Issues, & Feedback - NinjaOne

web:www.ninjaone.com

Catalog of Microsoft KB updates with insights on performance & user sentiment. Find out what's working, what's not, & make informed decisions.

2026-05-23 21:09 UTC
Oracle Critical Patch Update Advisory - April 2026

web:www.oracle.com

This Critical Patch Update contains 481 new security patches across the product families listed below. Please note that an MOS note summarizing the content of this Critical Patch Update and other Oracle Software Security Assurance activities is located at April 2026 Critical Patch Update: Executive Summary and Analysis.

2026-05-23 21:09 UTC
VirusTotal - Home

web:www.virustotal.com

VirusTotal is a platform for scanning files and URLs for viruses, malware, and other threats using multiple antivirus engines.

2026-05-23 21:09 UTC
Security Advisory Bulletin 064 | Ubiquiti Community

web:community.ui.com

Published: May 21, 2026 Updated: May 22, 2026 Version: 1.1 Revision: 1.1 Summary 1 of 5 A malicious actor with access to the network and high privileges could exploit an Improper Input Validation vulnerability found in UniFi OS devices to execute a Command Injection. Affected Products: UniFi OS Server (Version 5.0.6 and earlier) Mitigation : Update your UniFi OS Server to Version 5.0.8 or later ...

2026-05-26 02:48 UTC
Nvd - Cve-2026-7900

web:nvd.nist.gov

An official website of the United States government Here's how you know

2026-05-26 02:48 UTC
March 23, 2026—Hotpatch KB5085518 (OS Builds 26200.7985 and 26100.7985 ...

web:support.microsoft.com

This out-of-band update for Windows 11, version 25H2 and 24H2 (KB5085518) includes fixes and improvements. To learn more about differences between security updates, optional non-security preview updates, out-of-band (OOB) updates, and continuous innovation, see Windows monthly updates explained. For information on Windows update terminology, see the different types of Windows software updates ...

2026-05-26 02:48 UTC
CVE: Common Vulnerabilities and Exposures

web:www.cve.org

At cve .org, we provide the authoritative reference method for publicly known information-security vulnerabilities and exposures

2026-05-26 02:48 UTC
September 2025 Patch Tuesday forecast: The CVE matrix

web:www.helpnetsecurity.com

September 2025 Patch Tuesday is now live: Microsoft, Adobe, SAP deliver critical fixes for September 2025 Patch Tuesday We work in an industry driven by Common Vulnerabilities and Exposures ( CVE ).

2026-05-26 02:48 UTC

AI Forensic Analysis

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Raw JSON

The full cvelistV5 record. Download as CVE-2026-7990.json.

{
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      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "LOCAL",
              "availabilityImpact": "HIGH",
              "baseScore": 7.8,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "REQUIRED",
              "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2026-7990",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-05-06T00:00:00+00:00",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-05-07T03:56:59.243Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Chrome",
          "vendor": "Google",
          "versions": [
            {
              "lessThan": "148.0.7778.96",
              "status": "affected",
              "version": "148.0.7778.96",
              "versionType": "custom"
            }
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      ],
      "descriptions": [
        {
          "lang": "en",
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          "descriptions": [
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              "lang": "en"
            }
          ]
        }
      ],
      "providerMetadata": {
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      },
      "references": [
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          "url": "https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop.html"
        },
        {
          "url": "https://issues.chromium.org/issues/498892267"
        }
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  },
  "cveMetadata": {
    "assignerOrgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28",
    "assignerShortName": "Chrome",
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    "datePublished": "2026-05-06T18:13:04.329Z",
    "dateReserved": "2026-05-05T22:59:29.150Z",
    "dateUpdated": "2026-05-07T03:56:59.243Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
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}