How severe is CVE-2021-26936?

CVE-2021-26936 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-26936 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-26936?

CVE-2021-26936 affects Replaysorcery Project Replaysorcery. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-26936?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-26936 published?

CVE-2021-26936 was published on 2021-02-10 and last updated on 2026-06-17.

CVE-2021-26936

CVE-2021-26936 is a high-severity vulnerability in Replaysorcery Project Replaysorcery with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-269.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 7.2
EPSS exploit prediction: 1% (40th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-269
Affected product: Replaysorcery Project Replaysorcery
Published: 2021-02-10
Last modified: 2026-06-17

Description

The replay-sorcery program in ReplaySorcery 0.4.0 through 0.5.0, when using the default setuid-root configuration, allows a local attacker to escalate privileges to root by specifying video output paths in privileged locations.

Frequently asked questions

What is CVE-2021-26936?: The replay-sorcery program in ReplaySorcery 0.4.0 through 0.5.0, when using the default setuid-root configuration, allows a local attacker to escalate privileges to root by specifying video output paths in privileged locations.
How severe is CVE-2021-26936?: CVE-2021-26936 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-26936 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-26936?: CVE-2021-26936 affects Replaysorcery Project Replaysorcery. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-26936?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-26936 published?: CVE-2021-26936 was published on 2021-02-10 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:replaysorcery_project:replaysorcery:*:*:*:*:*:*:*:*

More vulnerabilities in Replaysorcery Project Replaysorcery

CVE-2021-36983 — High (CVSS 7.8): replay-sorcery-kms in Replay Sorcery 0.6.0 allows a local attacker to gain root privileges via a symlink attack on…

All CVEs affecting Replaysorcery Project Replaysorcery →

Other CWE-269 (Improper Privilege Management) vulnerabilities

CVE-2026-31852 — Critical (CVSS 10.0): Jellyfin is an open-source media system. The code-quality.yml GitHub Actions workflow in jellyfin/jellyfin-ios is…
CVE-2025-20282 — Critical (CVSS 10.0): A vulnerability in an internal API of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to…
CVE-2025-0505 — Critical (CVSS 10.0): On Arista CloudVision systems (virtual or physical on-premise deployments), Zero Touch Provisioning can be used to gain…
CVE-2023-48418 — Critical (CVSS 10.0): In checkDebuggingDisallowed of DeviceVersionFragment.java, there is a possible way to access adb before SUW…
CVE-2023-48419 — Critical (CVSS 10.0): An attacker in the wifi vicinity of a target Google Home can spy on the victim, resulting in Elevation of Privilege
CVE-2023-31273 — Critical (CVSS 10.0): Protection mechanism failure in some Intel DCM software before version 5.2 may allow an unauthenticated user to…

Browse all CWE-269 (Improper Privilege Management) vulnerabilities →