CVE-2026-39870
📛 CVE Title
CVE-2026-39870
Description
The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5. Processing a maliciously crafted image may corrupt process memory.
Overview
- State
- PUBLISHED
- Assigner (CNA)
- apple
- CVSS severity
- high
- CVSS score
- 7.5 / 10
- CVSS vector
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N- Effective score
- 7.5 / 10 HIGH source: CNA overview
- CWE(s)
- —
- Reserved
- 2026-04-07
- Published
- 2026-05-11 20:07 UTC
- Last updated
- 2026-05-12 18:30 UTC
- Source
- https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/39xxx/CVE-2026-39870.json
- Linked Threat
- CVE-2026-39870 — CVE-2026-39870
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
- 2026-05-11 21:18:59 UTC
- NVD last modified
- 2026-05-13 14:39:49 UTC
- NVD CVSS v3.1
- 7.5 / 10 HIGH source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
- NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N- Exploitability subscore
- 3.9 / 10
- Impact subscore
- 3.6 / 10
- EPSS score
- 0.0004 (probability of exploitation in next 30 days)
- EPSS percentile
- 12.38% vs all CVEs — higher = more likely to be exploited, as of 2026-05-24
NVD-assigned CWE(s):
CWE-119
(differs from the CNA list above)
NVD / KEV / EPSS data refreshed 2026-05-25 02:25 UTC. Re-run the 🛰 Backfill from NVD button above to refresh.
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-2026-29293 - Assigner
- apple
- Published
- May 11, 2026, 8:07:30 PM
- Updated
- May 12, 2026, 6:30:47 PM
- EUVD base score (CVSS 3.1)
-
7.5 / 10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - EUVD-reported EPSS
- 0.0400
- Vendors
- Apple
- Products
-
macOS (0 <26.5)macOS (0 <15.7.7)macOS (0 <14.8.7)
ENISA description: The issue was addressed with improved memory handling. This issue is fixed in macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5. Processing a maliciously crafted image may corrupt process memory.
Affected products (1)
| Vendor | Product | Versions | Platforms |
|---|---|---|---|
| Apple | macOS |
0 (affected),
0 (affected),
0 (affected)
|
— |
Affected products — CPE 2.3 (1) 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:o:apple:macos:*:*:*:*:*:*:*:*
Vendor references (3)
References embedded in the original CVE record by the assigning CNA.
Web references (10)
DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.
- http://cwe.mitre.org/data/definitions/119.html rapid7:cwe.mitre.org
- https://attackerkb.com/topics/CVE-2026-39870 rapid7:attackerkb.com
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-29293 rapid7:euvd.enisa.europa.eu
- https://isc.sans.edu/diary/rss/32976 tenable:isc.sans.edu
- https://nvd.nist.gov/vuln/detail/CVE-2026-39870 tenable:nvd.nist.gov
- https://support.apple.com/en-us/127115 tenable:support.apple.com
- https://support.apple.com/en-us/127116 tenable:support.apple.com
- https://support.apple.com/en-us/127117 tenable:support.apple.com
- https://www.cve.org/CVERecord?id=CVE-2026-39870 tenable:www.cve.org
- https://www.first.org/epss/ tenable:www.first.org
NVD-tagged references (3)
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://support.apple.com/en-us/127115 product-security@apple.com Release NotesVendor Advisory
- https://support.apple.com/en-us/127116 product-security@apple.com Release NotesVendor Advisory
- https://support.apple.com/en-us/127117 product-security@apple.com Release NotesVendor Advisory
Remediations (20)
Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.
-
web:blog.talosintelligence.com
Microsoft has released its monthly security update for May 2026 , which includes 137 vulnerabilities affecting a range of products, including 16 that Microsoft marked as "critical".
2026-05-23 21:51 UTC -
web:krebsonsecurity.com
Microsoft expects that exploitation is more likely. May's Patch Tuesday is a welcome respite from April, which saw Microsoft fix a near-record 167 security flaws.
2026-05-23 21:51 UTC -
web:learn.microsoft.com
Exploit protection provides advanced protections for applications that enterprise admins and IT pros can apply after a developer compiles and distributes software. This article helps you understand how exploit protection works, both at the policy level and at the individual mitigation level, to help you successfully build and apply exploit protection policies.
2026-05-23 21:51 UTC -
web:msrc.microsoft.com
The Microsoft Security Response Center (MSRC) investigates all reports of security vulnerabilities affecting Microsoft products and services, and provides the information here as part of the ongoing effort to help you manage security risks and help keep your systems protected.
2026-05-23 21:51 UTC -
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 21:51 UTC -
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 21:51 UTC -
web:www.crowdstrike.com
Microsoft's April 2026 Patch Tuesday addresses 164 CVEs , featuring 8 Critical vulnerabilities, one exploited zero-day, and one disclosed zero-day.
2026-05-23 21:51 UTC -
web:www.crowdstrike.com
Microsoft has released security updates for 114 vulnerabilities, including three zero-days, plus eight critical CVEs in its January 2026 Patch Tuesday rollout.
2026-05-23 21:51 UTC -
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 21:51 UTC -
web:www.techradar.com
CISA confirms two bugs being actively exploited in the wild, as Microsoft releases patches.
2026-05-23 21:51 UTC -
web:epatch.pa.gov
Why does PATCH exist? Its purpose is to better enable the public to obtain criminal history record checks. The repository was created and is maintained in accordance with Pennsylvania's Criminal History Information Act contained in Chapter 91 of Title 18, Crimes Code. This Act also directs the Pennsylvania State Police (PSP) to disseminate criminal history data to criminal justice agencies ...
2026-05-26 02:51 UTC -
web:nvd.nist.gov
CVE - 2026 -23262 - In the Linux kernel, the following vulnerability has been resolved: gve: Fix stats report corruption on queue count change The driver and the NIC share a region in memory for stats reporting.
2026-05-26 02:51 UTC -
web:patch.moe
Age Verification Are you 18 years or older? YES NO
2026-05-26 02:51 UTC -
web:patchnashville.com
Patch was born out of a love of children's fashion and classic yet modern gifting. The goal was to create a timeless yet modern boutique with a playful touch featuring children's clothing, gifts, & accessories. My hope is that you always find what you came for and feel as inspired by our collections as we are.
2026-05-26 02:51 UTC -
web:techcommunity.microsoft.com
Known issues when mitigation is applied We are aware of following known issues once CVE - 2026 -42897 mitigation is applied (using either option above): OWA Print Calendar functionality might not work. As a workaround copy the data or screenshot the calendar you want to print or use Outlook Desktop client.
2026-05-26 02:51 UTC -
web:www.bleepingcomputer.com
Today is Microsoft's April 2026 Patch Tuesday with security updates for 167 flaws, including 2 zero-day vulnerabilities.
2026-05-26 02:51 UTC -
web:www.callofduty.com
Make sure you're following @CODUpdates, @Treyarch, @RavenSoftware for critical live communications and track common Live Issues on our Trello Boards. For regular updates about all Call of Duty® related live issues, follow @CODUpdates. For updates about Call of Duty®: Black Ops 7 Multiplayer and Zombies, follow @Treyarch. For regular updates about Call of Duty®: Black Ops 7 Campaign and ...
2026-05-26 02:51 UTC -
web:www.cve.org
At cve .org, we provide the authoritative reference method for publicly known information-security vulnerabilities and exposures
2026-05-26 02:51 UTC -
web:www.kernel.org
This site is operated by the Linux Kernel Organization, a 501 (c)3 nonprofit corporation, with support from the following sponsors.
2026-05-26 02:51 UTC -
web:www.thehackerwire.com
Frequently Asked Questions What is CVE-2026-39870 ? How do I fix or mitigate CVE-2026-39870 ? When was CVE-2026-39870 disclosed?
2026-05-26 02:51 UTC
AI Forensic Analysis
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Raw JSON
The full cvelistV5 record. Download as CVE-2026-39870.json.
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"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
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