CVE-2026-89277
📛 CVE Title
CAI Content Credentials | Integer Overflow or Wraparound (CWE-190)
Description
CAI Content Credentials is affected by an Integer Overflow or Wraparound vulnerability that could result in an application denial-of-service. An attacker could exploit this vulnerability to crash the application, leading to a denial-of-service condition. Exploitation of this issue requires user interaction in that a victim must visit a maliciously crafted URL or interact with a compromised web page.
Overview
- State
- PUBLISHED
- Assigner (CNA)
- adobe
- CVSS severity
- MEDIUM
- CVSS score
- 5.5 / 10
- CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H- Effective score
- 5.5 / 10 MEDIUM source: CNA overview
- CWE(s)
-
CWE-190 - Reserved
- 2026-09-11
- Published
- 2026-09-22 18:50 UTC
- Last updated
- 2026-09-22 18:50 UTC
- Source
- https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/89xxx/CVE-2026-89277.json
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
- 2026-09-22 19:16:55 UTC
- NVD last modified
- 2026-09-22 19:23:57 UTC
- NVD CVSS v3.1
- 5.5 / 10 MEDIUM source: psirt@adobe.com
- NVD CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H- Exploitability subscore
- 1.8 / 10
- Impact subscore
- 3.6 / 10
NVD / KEV / EPSS data refreshed 2026-09-23 02:34 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-2026-84766 - Assigner
- adobe
- Published
- Sep 22, 2026, 6:50:51 PM
- Updated
- Sep 22, 2026, 6:50:51 PM
- EUVD base score (CVSS 3.1)
-
5.5 / 10
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - EUVD-reported EPSS
- 0.0000
- Vendors
- Adobe
- Products
-
Content Credentials Command-Line Tool (0 ≤c2patool-v0.26.70)Content Credentials Rust SDK (0 ≤c2pa-v0.89.2)
- Aliases
-
GHSA-cm62-68c9-w7q2
ENISA description: CAI Content Credentials is affected by an Integer Overflow or Wraparound vulnerability that could result in an application denial-of-service. An attacker could exploit this vulnerability to crash the application, leading to a denial-of-service condition. Exploitation of this issue requires user interaction in that a victim must visit a maliciously crafted URL or interact with a compromised web page.
Affected products (2)
| Vendor | Product | Versions | Platforms |
|---|---|---|---|
| Adobe | Content Credentials Rust SDK |
0 (affected),
c2pa-v0.90.17 (unaffected)
|
— |
| Adobe | Content Credentials Command-Line Tool |
0 (affected),
c2patool-v0.27.17 (unaffected)
|
— |
Vendor references (1)
References embedded in the original CVE record by the assigning CNA.
Web references (0)
DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.
No web references attached yet.
NVD-tagged references (1)
Reference list NVD curates from the CNA record, vendor advisories, and third-party reports. The tag chips below are NVD's analyst-assigned categories.
Remediations (10)
-
web:fixitphill.com
Patch Microsoft Exchange CVE - 2026 -42897 with June 2026 security updates, keep EEMS mitigations during rollout, and verify OWA and mail flow.
2026-09-23 15:42 UTC -
web:msrc.microsoft.com
Security Update Guide - Microsoft Security Response Center
2026-09-23 15:42 UTC -
web:sec.cloudapps.cisco.com
On September 16, 2026 , the Cisco Product Security Incident Response Team (PSIRT) published the advisories that are listed in the following tables. To remediate these vulnerabilities, Cisco strongly recommends that customers upgrade to the fixed software that is indicated in the advisories. For more information about changes in Cisco PSIRT vulnerability disclosure, see Strengthening the ...
2026-09-23 15:42 UTC -
web:senserva.com
Every Microsoft security patch (KB) and the CVEs it fixes, with severity, CVSS, and CISA KEV status. Cross-linked to the CVE reference.
2026-09-23 15:42 UTC -
web:support.microsoft.com
Be aware that the update in the Microsoft Download Center applies to the Microsoft Installer (.msi)-based edition of Office 2016. It doesn't apply to the Office 2016 Click-to-Run editions, such as Microsoft Office 365 Home. (See What version of Office am I using?) How to get and install the update Method 1: Microsoft Update This update is available from Microsoft Update. When you turn on ...
2026-09-23 15:42 UTC -
web:support.sap.com
SAP security Patch Day Bulletin This post shares the information on security notes that remediate vulnerabilities discovered in SAP products. SAP strongly recommends that the customer visits the support portal and applies patches on priority to protect their SAP landscape. On 9th of June 2026 , SAP security patch day saw the release of 15 new security notes.
2026-09-23 15:42 UTC -
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 .
2026-09-23 15:42 UTC -
web:www.computerworld.com
August's Patch Tuesday is a big one: 751 fixes, an exploited WinSock flaw and plenty of critical Windows, Office and Exchange issues.
2026-09-23 15:42 UTC -
web:www.tenable.com
CAI Content Credentials is affected by an Integer Overflow or Wraparound vulnerability that could result in an application denial-of-service. An attacker could exploit this vulnerability to crash the application, leading to a denial-of-service condition. Exploitation of this issue requires user interaction in that a victim must visit a maliciously crafted URL or interact with a compromised web ...
2026-09-23 15:42 UTC -
web:zecurit.com
Get the complete breakdown of Microsoft's September 2026 Patch Tuesday. We analyze the latest security updates and all critical CVEs .
2026-09-23 15:42 UTC
AI Forensic Analysis
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Raw JSON
The full cvelistV5 record. Download as CVE-2026-89277.json.
{
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Content Credentials Rust SDK",
"vendor": "Adobe",
"versions": [
{
"lessThanOrEqual": "c2pa-v0.89.2",
"status": "affected",
"version": "0",
"versionType": "custom"
},
{
"status": "unaffected",
"version": "c2pa-v0.90.17",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unaffected",
"product": "Content Credentials Command-Line Tool",
"vendor": "Adobe",
"versions": [
{
"lessThanOrEqual": "c2patool-v0.26.70",
"status": "affected",
"version": "0",
"versionType": "custom"
},
{
"status": "unaffected",
"version": "c2patool-v0.27.17",
"versionType": "custom"
}
]
}
],
"datePublic": "2026-09-22T17:00:00.000Z",
"descriptions": [
{
"lang": "en",
"value": "CAI Content Credentials is affected by an Integer Overflow or Wraparound vulnerability that could result in an application denial-of-service. An attacker could exploit this vulnerability to crash the application, leading to a denial-of-service condition. Exploitation of this issue requires user interaction in that a victim must visit a maliciously crafted URL or interact with a compromised web page."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"availabilityRequirement": "NOT_DEFINED",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"confidentialityRequirement": "NOT_DEFINED",
"environmentalScore": 5.5,
"environmentalSeverity": "MEDIUM",
"exploitCodeMaturity": "NOT_DEFINED",
"integrityImpact": "NONE",
"integrityRequirement": "NOT_DEFINED",
"modifiedAttackComplexity": "LOW",
"modifiedAttackVector": "LOCAL",
"modifiedAvailabilityImpact": "HIGH",
"modifiedConfidentialityImpact": "NONE",
"modifiedIntegrityImpact": "NONE",
"modifiedPrivilegesRequired": "NONE",
"modifiedScope": "UNCHANGED",
"modifiedUserInteraction": "REQUIRED",
"privilegesRequired": "NONE",
"remediationLevel": "NOT_DEFINED",
"reportConfidence": "NOT_DEFINED",
"scope": "UNCHANGED",
"temporalScore": 5.5,
"temporalSeverity": "MEDIUM",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-190",
"description": "Integer Overflow or Wraparound (CWE-190)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-09-22T18:50:51.397Z",
"orgId": "078d4453-3bcd-4900-85e6-15281da43538",
"shortName": "adobe"
},
"references": [
{
"tags": [
"vendor-advisory"
],
"url": "https://helpx.adobe.com/security/products/content-authenticity-sdk/apsb26-147.html"
}
],
"source": {
"discovery": "EXTERNAL"
},
"title": "CAI Content Credentials | Integer Overflow or Wraparound (CWE-190)",
"x_generator": {
"engine": "cvelib 1.8.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "078d4453-3bcd-4900-85e6-15281da43538",
"assignerShortName": "adobe",
"cveId": "CVE-2026-89277",
"datePublished": "2026-09-22T18:50:51.397Z",
"dateReserved": "2026-09-11T11:15:11.448Z",
"dateUpdated": "2026-09-22T18:50:51.397Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
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}