CVE-2026-7897

Description

Use after free in Mobile in Google Chrome on iOS prior to 148.0.7778.96 allowed a remote attacker who convinced a user to engage in specific UI gestures to execute arbitrary code via a crafted HTML page. (Chromium security severity: Critical)

Overview

State: PUBLISHED
Assigner (CNA): Chrome
CVSS severity: high
CVSS score: 7.5 / 10
CVSS vector: AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Effective score: 7.5 / 10 HIGH source: CNA overview
CWE(s): CWE-416
Reserved: 2026-05-06
Published: 2026-05-06 20:12 UTC
Last updated: 2026-05-07 05:56 UTC
Source: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/7xxx/CVE-2026-7897.json
Linked Threat: CVE-2026-7897 — CVE-2026-7897

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 19:16:37 UTC
NVD last modified: 2026-05-06 23:43:15 UTC
NVD CVSS v3.1: 7.5 / 10 HIGH source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
NVD CVSS vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Exploitability subscore: 1.6 / 10
Impact subscore: 5.9 / 10
EPSS score: 0.0008 (probability of exploitation in next 30 days)
EPSS percentile: 23.56% 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-2026-27897
Assigner: Chrome
Published: May 6, 2026, 6:12:24 PM
Updated: May 7, 2026, 3:56:32 AM
EUVD base score (CVSS 3.1): 7.5 / 10
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
EUVD-reported EPSS: 0.0800
Vendors: Google
Products: Chrome (148.0.7778.96 <148.0.7778.96)

ENISA description: Use after free in Mobile in Google Chrome on iOS prior to 148.0.7778.96 allowed a remote attacker who convinced a user to engage in specific UI gestures to execute arbitrary code via a crafted HTML page. (Chromium security severity: Critical)

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 148.0.3967.55)
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
148.0.3967.55	05/11/2026	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:apple:iphone_os:-:*:*:*:*:*:*:*

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 (9)

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

MSRC update guide: CVE-2026-7897 msrc
None Available msrc
https://attackerkb.com/topics/CVE-2026-7897 rapid7:attackerkb.com
http://cwe.mitre.org/data/definitions/416.html rapid7:cwe.mitre.org
https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-27897 rapid7:euvd.enisa.europa.eu
https://www.securityweek.com/chrome-148-rolls-out-with-127-security-fixes/ tenable:www.securityweek.com
https://www.cve.org/CVERecord?id=CVE-2026-7897 tenable:www.cve.org
https://www.first.org/epss/ tenable:www.first.org
https://nvd.nist.gov/vuln/detail/CVE-2026-7897 tenable:nvd.nist.gov

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/504069514 chrome-cve-admin@google.com Issue TrackingPermissions Required

Remediations (13)

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

Critical Microsoft Exchange Server Vulnerability Actively Exploited in ...

web:cybersecuritynews.com

Microsoft Exchange Server spoofing flaw, is being actively exploited against on-premises systems before a permanent patch is available.

2026-05-23 21:11 UTC
Nvd - Cve-2026-7897

web:nvd.nist.gov

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

2026-05-23 21:11 UTC
CVE-2026-42897 Exchange Vulnerability - Urgent Mitigation

web:purple-ops.io

While the current mitigation addresses CVE - 2026 -42897, an older vulnerability like CVE - 2026 -32201 SharePoint Spoofing demonstrates the recurring nature of spoofing attacks across Microsoft products and the importance of a complete update strategy. Remediation Actions

2026-05-23 21:11 UTC
Addressing Exchange Server May 2026 vulnerability CVE-2026-42897

web:techcommunity.microsoft.com

We wanted to tell you how to address the Exchange Server May 2026 vulnerability CVE - 2026 -42897.

2026-05-23 21:11 UTC
CVE-2026-42897 Exchange OWA Mitigation M2: What Admins Must Verify

web:windowsforum.com

Microsoft's Fastest Fix Is a Mitigation , Not a Patch The important detail in Microsoft's May 14 notice is that there is no permanent Exchange security update available yet for CVE - 2026 -42897. Microsoft says it is working on one and will release it later for affected supported paths, but today's defensive action is mitigation .

2026-05-23 21:11 UTC
Microsoft Shipped Exchange CVE-2026-42897 Without a Patch. The DDQ ...

web:www.harperfoley.com

Microsoft Shipped Exchange CVE - 2026 -42897 Without a Patch . The DDQ Should Ask Whether Your Mailbox Tier's Emergency Mitigation Service Is Still Running. Microsoft's advisory for CVE - 2026 -42897 ships no security update and depends on the Exchange Emergency Mitigation Service applying M2.1.x.

2026-05-23 21:11 UTC
Addressing Exchange Server Vulnerability - May 2026 (CVE-2026-42897)

web:www.helient.com

Conclusion Helient strongly recommends customers immediately review their Exchange Server environments for exposure to CVE - 2026 -42897 and enable the appropriate mitigation . Given the active exploitation and high severity, a rapid response and validation approach is critical.

2026-05-23 21:11 UTC
CVE-2026-42897 Exchange Zero-Day: The Email Risk Question

web:www.kiteworks.com

Microsoft's May 2026 Patch Tuesday, released just 48 hours earlier, fixed 137 vulnerabilities and contained zero zero-days. Then this landed — out of band, with no permanent patch in sight, only temporary mitigations through the Exchange Emergency Mitigation Service or the Exchange On-premises Mitigation Tool.

2026-05-23 21:11 UTC
Critical: Exchange Server Vulnerability CVE-2026-42897

web:www.messageware.com

CVE - 2026 -42897 is an actively exploited Exchange Server vulnerability. Learn what's affected, the current risk level, and how Microsoft is mitigating it.

2026-05-23 21:11 UTC
CVE-2026-42897, the Exchange OWA XSS Zero-Day

web:www.penligent.ai

CVE - 2026 -42897 is an actively exploited Microsoft Exchange Server OWA XSS flaw. Learn what is known, how EEMS and EOMT mitigations work, what to verify, and how defenders should hunt, harden, and prepare for the permanent patch .

2026-05-23 21:11 UTC
CVE-2026-7897 - security-tracker.debian.org

web:security-tracker.debian.org

Vulnerable and fixed packages The table below lists information on source packages.

2026-05-26 02:49 UTC
Exchange Server 2016 And 2019 Hit By Critical OWA Vulnerability

web:windowsreport.com

Microsoft warned Exchange Server customers about critical OWA vulnerability CVE - 2026 -42897 affecting on-premises deployments.

2026-05-26 02:49 UTC
Microsoft Confirms Active 0-Day Exploit—Check Emergency Mitigation

web:www.forbes.com

Updated May 17: This article, originally published May 16, has been updated to include further details on the emergency mitigation process recommended after the CVE - 2026 -42897 Microsoft Exchange ...

2026-05-26 02:49 UTC

AI Forensic Analysis

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Raw JSON

The full cvelistV5 record. Download as CVE-2026-7897.json.

{
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            "cvssV3_1": {
              "attackComplexity": "HIGH",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 7.5,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "REQUIRED",
              "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2026-7897",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-05-06T00:00:00+00:00",
                "version": "2.0.3"
              },
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            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-05-07T03:56:32.114Z",
          "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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        }
      ],
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          "value": "Use after free in Mobile in Google Chrome on iOS prior to 148.0.7778.96 allowed a remote attacker who convinced a user to engage in specific UI gestures to execute arbitrary code via a crafted HTML page. (Chromium security severity: Critical)"
        }
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              "description": "Use after free",
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            }
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      ],
      "providerMetadata": {
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        "orgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28",
        "shortName": "Chrome"
      },
      "references": [
        {
          "url": "https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop.html"
        },
        {
          "url": "https://issues.chromium.org/issues/504069514"
        }
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    }
  },
  "cveMetadata": {
    "assignerOrgId": "ebfee0ef-53dd-4cf3-9e2a-08a5bd7a7e28",
    "assignerShortName": "Chrome",
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    "datePublished": "2026-05-06T18:12:24.777Z",
    "dateReserved": "2026-05-05T22:59:03.403Z",
    "dateUpdated": "2026-05-07T03:56:32.114Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}