CVE-2015-6691

CRITICAL

Use-after-free vulnerability in Adobe Reader and Acrobat 10.x before 10.1.16 and 11.x before 11.0.13, Acrobat and Acrobat Reader DC Classic before 2015.006.30094, and Acrobat and Acrobat Reader DC ...

Affects 6 products across 3 vendors.

BCS7.71
CVSS 2.010.0
EPSS4.8%
Percentile91th
PatchPatched
CVSS Vector — Plain English Remotely exploitable over the network, low complexity.
CWE Weakness Definitions
CWE-416: Use After Free

Software references memory after it has been freed, leading to corruption, crashes, or code execution.

◆ SAGE Intelligence — CITED Relevance Research Team

This vulnerability was disclosed in 2015. A critical vulnerability affects Adobe systems (CVE-2015-6691). No public exploit code is currently available. Isolate affected systems if patching is not feasible.

BSID: BS-2015-GLOBAL-259067-C • Model: rule-based-v1 • Confidence: MEDIUM

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Frequently Asked Questions
What is CVE-2015-6691?
This vulnerability was disclosed in 2015. A critical vulnerability affects Adobe systems (CVE-2015-6691). No public exploit code is currently available. Isolate affected systems if patching is not feasible.
What is the CVSS score for CVE-2015-6691?
CVE-2015-6691 has CVSS 10.0 (Critical). Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C. EPSS: 4.8%.
Is CVE-2015-6691 actively exploited?
No confirmed active exploitation of CVE-2015-6691 as of 2026-05-30.
How do I remediate CVE-2015-6691?
Priority: MEDIUM. Advisory: https://helpx.adobe.com/security/products/acrobat/apsb15-24.html PSIRT: [email protected]
What systems are affected by CVE-2015-6691?
CVE-2015-6691 affects: Adobe, Adobe, Adobe, Adobe, Apple, Microsoft.
Vulnerability Details
CVE IDCVE-2015-6691
BSIDBS-2015-GLOBAL-259067-C BreachSpider Global ID
CVSS VectorAV:N/AC:L/Au:N/C:C/I:C/A:C
Published2015-10-14
Last Modified2026-05-06
ICS Relevance0%
Weakness (CWE)
Use After Free
SourceNVD
Official Description

Use-after-free vulnerability in Adobe Reader and Acrobat 10.x before 10.1.16 and 11.x before 11.0.13, Acrobat and Acrobat Reader DC Classic before 2015.006.30094, and Acrobat and Acrobat Reader DC Continuous before 2015.009.20069 on Windows and OS X allows attackers to execute arbitrary code via unspecified vectors, a different vulnerability than CVE-2015-5586, CVE-2015-6683, CVE-2015-6684, CVE-2015-6687, CVE-2015-6688, CVE-2015-6689, CVE-2015-6690, CVE-2015-7615, CVE-2015-7617, and CVE-2015-7621.

Source: NIST NVD / MITRE CVE Database

Attack Vector Analysis — CITED Relevance

Vulnerability details: Use-after-free vulnerability in Adobe Reader and Acrobat 10.x before 10.1.16 and 11.x before 11.0.13, Acrobat and Acrobat Reader DC Classic before 2015.006.30094, and Acrobat and Acrobat Reader DC Continuous before 2015.009.20069 on Windows and OS X allows attackers to execute arbitrary code via unspecified vectors, a different vulnerability than CVE-2015-5586, CVE-2015-6683, CVE-2015-6684, CVE-2015-6687, CVE-2015-6688, CVE-2015-6689, CVE-2015-6690, CVE-2015-7615, CVE-2015-7617, and CVE-2015-762 CVSS vector: AV:N/AC:L/Au:N/C:C/I:C/A:C.

Exploitation Likelihood: LOW

Affected Products
VendorProductFixed Version
Adobe Acrobat Reader —
Adobe Acrobat —
Adobe Acrobat Dc —
Adobe Acrobat Reader Dc —
Apple Macos —
Microsoft Windows —
Remediation
View Vendor Advisory →

Remediation Priority: MEDIUM

Vendor PSIRT: [email protected]
Threat Intelligence
● Threat Intelligence Validated: August 2026 | Threat Age: 3947 Days
CISA KEVNot in KEV catalog
Public ExploitNot confirmed
PoC CodeNot confirmed
SAGE Enrichment Record — provenance & audit hash
Modelrule-based-v1
ConfidenceMEDIUM
Enriched At2026-05-24
SHA-512 Audit Hash65c6128fa2ec70ebd984648c1e8f857e334f1113a88219e346d3f9687898ef3bfdd13575ddf25b500fca57ab74023336d7267d95f966b9122a28526aa8982fd0
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