CVE-2026-48373: Acrobat Reader | Heap-based Buffer Overflow (CWE-122)
Vulnerability summary
CVE-2026-48373 is a high (CVSS 7.8) Heap-based Buffer Overflow vulnerability in adobe acrobat. EPSS estimates a 0.34% chance of exploitation in the next 30 days, higher than 27.2% of scored vulnerabilities.
Not severe (CVSS 7.8, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Timeline
- 17-07-2026PublishedVulnerability first disclosed.
- 27-08-2026Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST7.8HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.34%
Chance of exploitation in the next 30 days
Percentile
27%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.34% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.
Adobe4 products
- acrobat< 24.001.30383
- acrobat 2024≤ 24.001.30365
- acrobat_dc≤ 26.001.21651 | ≥ 15.008.20082, < 26.001.21662
- acrobat_reader_dc≤ 26.001.21651 | ≥ 15.008.20082, < 26.001.21662
1 vendor · 4 products
References
1 links- helpx.adobe.com/security/products/acrobat/apsb26-63.htmlVendor Advisory