CVSS 3.1
7.8 highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HCVE-2026-123263 After Effects | Heap-based Buffer Overflow (CWE-122)
High (7.8) in adobe after effects. EPSS 0.3% estimated probability of exploitation activity in the next 30 days.
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After Effects 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.
Severity
- EPSS
- 0.3% estimated probability of exploitation activity in the next 30 days; 27th percentile. Scored 2026-11-13. A forecast for this CVE across the internet, not for your own systems.
- CISA's assessment (SSVC)
- Exploitation: none · Automatable: no · Technical impact: total, assessed 2026-11-11. From CISA's Vulnrichment in the CVE List: whether it is exploited, whether exploiting it can be automated, and how much control it gives.
- CWE
- CWE-122 Heap-based Buffer Overflow
- Published
- Modified
- Assigned by
- adobe (CNA)
- NVD analysis
- Awaiting analysis
- Record from
- the NVD, synced
Ask an AI about this CVE
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Explain CVE-2026-123263 for an engineer deciding whether to act. Use https://cve.bz/api/public/cves/CVE-2026-123263?via=ask-ai-copy and https://cve.bz/cve/CVE-2026-123263?via=ask-ai-copy as the source of truth: what is affected and which versions fix it, whether it is in CISA KEV, public exploits, and its EPSS (an internet-wide 30-day estimate of exploitation activity, not a forecast for my systems). If they give no fixed versions, use the CVE record https://cveawg.mitre.org/api/cve/CVE-2026-123263 or the vendor advisory, not third-party mirrors. Tell me how to check whether I am affected and how to verify a fix. Cite the sources and say where they are uncertain.Opens a third-party assistant; its answer is its own, not cve.bz's. The prompt holds only this CVE's id and public links.
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Affected
- adobe:after effects
Versions
From the CNA's record in the CVE List.
| Product | Affected |
|---|---|
| Adobe After Effects | through 26.5 |
| Adobe After Effects | through 25.6.6 |
Attack patterns (CAPEC)
- CAPEC-92 Forced Integer Overflow Likelihood: High · Severity: High
The attack patterns MITRE's CAPEC relates to this record's weaknesses, as MITRE names them. Credits.