TI-2026-35778 Aliases CVE-2026-48373 GHSA-3m86-q6fx-m5cm

Acrobat Reader | Heap-based Buffer Overflow (CWE-122)

LOW 36CWE-122Published 2026-07-17 · Updated 2026-08-27

Key facts

Attack vector: Local
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-122 and the CVSS impact.

Summary

Acrobat Reader is affected by a Heap-based Buffer Overflow vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00337 27th percentileScored 2026-11-07

Fix Fixed Acrobat DC (Adobe): 26.001.21662Acrobat Reader DC (Adobe): 26.001.21662+1 more product

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Adobe	Acrobat DC	up to 26.001.21651	26.001.21662	Patch available	CNA
Adobe	Acrobat Reader DC	up to 26.001.21651	26.001.21662	Patch available	CNA
Adobe	Acrobat 2024	up to 24.001.30365	24.001.30383	Patch available	CNA

Acrobat DC VendorAdobe Affected up to 26.001.21651 Fixed in 26.001.21662 Patch available CNA
Acrobat Reader DC VendorAdobe Affected up to 26.001.21651 Fixed in 26.001.21662 Patch available CNA
Acrobat 2024 VendorAdobe Affected up to 24.001.30365 Fixed in 24.001.30383 Patch available CNA

CPE configurations NVD · 5

CPE	Versions	Role	Vendor
cpe:2.3:a:adobe:acrobat:::::classic:::*	before 24.001.30383	Vulnerable	Adobe
cpe:2.3:a:adobe:acrobat_dc:::::continuous:::*	15.008.20082 to before 26.001.21662	Vulnerable	Adobe
cpe:2.3:a:adobe:acrobat_reader_dc:::::continuous:::*	15.008.20082 to before 26.001.21662	Vulnerable	Adobe
cpe:2.3:o:apple:macos:-:::::::*	not specified by NVD	Running on	Apple
cpe:2.3:o:microsoft:windows:-:::::::*	not specified by NVD	Running on	Microsoft

cpe:2.3:a:adobe:acrobat:*:*:*:*:classic:*:*:* Versions before 24.001.30383 Vulnerable ·Adobe
cpe:2.3:a:adobe:acrobat_dc:*:*:*:*:continuous:*:*:* Versions 15.008.20082 to before 26.001.21662 Vulnerable ·Adobe
cpe:2.3:a:adobe:acrobat_reader_dc:*:*:*:*:continuous:*:*:* Versions 15.008.20082 to before 26.001.21662 Vulnerable ·Adobe
cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Apple
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft

Remediation

Fix · CNA Acrobat DC (Adobe) Fixed in 26.001.21662
Fix · CNA Acrobat Reader DC (Adobe) Fixed in 26.001.21662
Fix · CNA Acrobat 2024 (Adobe) Fixed in 24.001.30383

Timeline

2026-10-02 Threatist record created from CVE-2026-48373
2026-10-03 Alias added: GHSA-3m86-q6fx-m5cm

References

Advisory 1

https://helpx.adobe.com/security/products/acrobat/apsb26-63.html

TI-2014-00524 Adobe Reader and Acrobat 10.x before 10.1.11 and 11.x before 11.0.08 on Windows allow… KEVCVSS 3.1CRITICAL 9.8
TI-2013-02915 Adobe Reader and Acrobat 9.x before 9.5.5, 10.x before 10.1.7, and 11.x before 11.0.03… KEVCVSS 3.1CRITICAL 9.8
TI-2013-02389 Integer overflow in Adobe Reader and Acrobat 9.x before 9.5.5, 10.x before 10.1.7, and… KEVCVSS 3.1CRITICAL 9.8
TI-2011-02156 Unspecified vulnerability in the U3D component in Adobe Reader and Acrobat 10.1.1 and… KEVCVSS 3.1CRITICAL 9.8
TI-2021-09626 Adobe Acrobat Reader use after free vulnerability could lead to arbitrary code execution KEVCVSS 3.1HIGH 8.8
TI-2021-04123 Acrobat Reader DC Heap-based Buffer Overflow Vulnerability Could Lead To Arbitrary Code Execution KEVCVSS 3.1HIGH 8.8

See all 1413 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences